diff --git a/freqtrade/configuration/__init__.py b/freqtrade/configuration/__init__.py
new file mode 100644
index 000000000..548b508a7
--- /dev/null
+++ b/freqtrade/configuration/__init__.py
@@ -0,0 +1,2 @@
+from freqtrade.configuration.arguments import Arguments, TimeRange  # noqa: F401
+from freqtrade.configuration.configuration import Configuration  # noqa: F401
diff --git a/freqtrade/arguments.py b/freqtrade/configuration/arguments.py
similarity index 99%
rename from freqtrade/arguments.py
rename to freqtrade/configuration/arguments.py
index cb45bcdf5..3e940ae2a 100644
--- a/freqtrade/arguments.py
+++ b/freqtrade/configuration/arguments.py
@@ -5,6 +5,7 @@ import argparse
 import os
 import re
 from typing import List, NamedTuple, Optional
+
 import arrow
 from freqtrade import __version__, constants
 
diff --git a/freqtrade/configuration/check_exchange.py b/freqtrade/configuration/check_exchange.py
new file mode 100644
index 000000000..8dae06f7a
--- /dev/null
+++ b/freqtrade/configuration/check_exchange.py
@@ -0,0 +1,48 @@
+import logging
+from typing import Any, Dict
+
+from freqtrade import OperationalException
+from freqtrade.exchange import (is_exchange_bad, is_exchange_available,
+                                is_exchange_officially_supported, available_exchanges)
+
+
+logger = logging.getLogger(__name__)
+
+
+def check_exchange(config: Dict[str, Any], check_for_bad: bool = True) -> bool:
+    """
+    Check if the exchange name in the config file is supported by Freqtrade
+    :param check_for_bad: if True, check the exchange against the list of known 'bad'
+                          exchanges
+    :return: False if exchange is 'bad', i.e. is known to work with the bot with
+             critical issues or does not work at all, crashes, etc. True otherwise.
+             raises an exception if the exchange if not supported by ccxt
+             and thus is not known for the Freqtrade at all.
+    """
+    logger.info("Checking exchange...")
+
+    exchange = config.get('exchange', {}).get('name').lower()
+    if not is_exchange_available(exchange):
+        raise OperationalException(
+                f'Exchange "{exchange}" is not supported by ccxt '
+                f'and therefore not available for the bot.\n'
+                f'The following exchanges are supported by ccxt: '
+                f'{", ".join(available_exchanges())}'
+        )
+
+    if check_for_bad and is_exchange_bad(exchange):
+        logger.warning(f'Exchange "{exchange}" is known to not work with the bot yet. '
+                       f'Use it only for development and testing purposes.')
+        return False
+
+    if is_exchange_officially_supported(exchange):
+        logger.info(f'Exchange "{exchange}" is officially supported '
+                    f'by the Freqtrade development team.')
+    else:
+        logger.warning(f'Exchange "{exchange}" is supported by ccxt '
+                       f'and therefore available for the bot but not officially supported '
+                       f'by the Freqtrade development team. '
+                       f'It may work flawlessly (please report back) or have serious issues. '
+                       f'Use it at your own discretion.')
+
+    return True
diff --git a/freqtrade/configuration.py b/freqtrade/configuration/configuration.py
similarity index 75%
rename from freqtrade/configuration.py
rename to freqtrade/configuration/configuration.py
index 8ad0fffe9..4959c2adc 100644
--- a/freqtrade/configuration.py
+++ b/freqtrade/configuration/configuration.py
@@ -3,17 +3,14 @@ This module contains the configuration class
 """
 import json
 import logging
-import os
 import sys
 from argparse import Namespace
 from typing import Any, Callable, Dict, Optional
 
-from jsonschema import Draft4Validator, validators
-from jsonschema.exceptions import ValidationError, best_match
-
 from freqtrade import OperationalException, constants
-from freqtrade.exchange import (is_exchange_bad, is_exchange_available,
-                                is_exchange_officially_supported, available_exchanges)
+from freqtrade.configuration.check_exchange import check_exchange
+from freqtrade.configuration.create_datadir import create_datadir
+from freqtrade.configuration.json_schema import validate_config_schema
 from freqtrade.loggers import setup_logging
 from freqtrade.misc import deep_merge_dicts
 from freqtrade.state import RunMode
@@ -22,31 +19,6 @@ from freqtrade.state import RunMode
 logger = logging.getLogger(__name__)
 
 
-def _extend_validator(validator_class):
-    """
-    Extended validator for the Freqtrade configuration JSON Schema.
-    Currently it only handles defaults for subschemas.
-    """
-    validate_properties = validator_class.VALIDATORS['properties']
-
-    def set_defaults(validator, properties, instance, schema):
-        for prop, subschema in properties.items():
-            if 'default' in subschema:
-                instance.setdefault(prop, subschema['default'])
-
-        for error in validate_properties(
-            validator, properties, instance, schema,
-        ):
-            yield error
-
-    return validators.extend(
-        validator_class, {'properties': set_defaults}
-    )
-
-
-FreqtradeValidator = _extend_validator(Draft4Validator)
-
-
 class Configuration(object):
     """
     Class to read and init the bot configuration
@@ -58,6 +30,16 @@ class Configuration(object):
         self.config: Optional[Dict[str, Any]] = None
         self.runmode = runmode
 
+    def get_config(self) -> Dict[str, Any]:
+        """
+        Return the config. Use this method to get the bot config
+        :return: Dict: Bot config
+        """
+        if self.config is None:
+            self.config = self.load_config()
+
+        return self.config
+
     def load_config(self) -> Dict[str, Any]:
         """
         Extract information for sys.argv and load the bot configuration
@@ -75,7 +57,7 @@ class Configuration(object):
             config['internals'] = {}
 
         logger.info('Validating configuration ...')
-        self._validate_config_schema(config)
+        validate_config_schema(config)
         self._validate_config_consistency(config)
 
         # Set strategy if not specified in config and or if it's non default
@@ -185,21 +167,10 @@ class Configuration(object):
         logger.info(f'Using DB: "{config["db_url"]}"')
 
         # Check if the exchange set by the user is supported
-        self.check_exchange(config)
+        check_exchange(config)
 
         return config
 
-    def _create_datadir(self, config: Dict[str, Any], datadir: Optional[str] = None) -> str:
-        if not datadir:
-            # set datadir
-            exchange_name = config.get('exchange', {}).get('name').lower()
-            datadir = os.path.join('user_data', 'data', exchange_name)
-
-        if not os.path.isdir(datadir):
-            os.makedirs(datadir)
-            logger.info(f'Created data directory: {datadir}')
-        return datadir
-
     def _args_to_config(self, config: Dict[str, Any], argname: str,
                         logstring: str, logfun: Optional[Callable] = None) -> None:
         """
@@ -225,9 +196,9 @@ class Configuration(object):
         the --datadir option
         """
         if 'datadir' in self.args and self.args.datadir:
-            config.update({'datadir': self._create_datadir(config, self.args.datadir)})
+            config.update({'datadir': create_datadir(config, self.args.datadir)})
         else:
-            config.update({'datadir': self._create_datadir(config, None)})
+            config.update({'datadir': create_datadir(config, None)})
         logger.info('Using data directory: %s ...', config.get('datadir'))
 
     def _load_optimize_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
@@ -337,24 +308,6 @@ class Configuration(object):
                              logstring='Using trades from: {}')
         return config
 
-    def _validate_config_schema(self, conf: Dict[str, Any]) -> Dict[str, Any]:
-        """
-        Validate the configuration follow the Config Schema
-        :param conf: Config in JSON format
-        :return: Returns the config if valid, otherwise throw an exception
-        """
-        try:
-            FreqtradeValidator(constants.CONF_SCHEMA).validate(conf)
-            return conf
-        except ValidationError as exception:
-            logger.critical(
-                'Invalid configuration. See config.json.example. Reason: %s',
-                exception
-            )
-            raise ValidationError(
-                best_match(Draft4Validator(constants.CONF_SCHEMA).iter_errors(conf)).message
-            )
-
     def _validate_config_consistency(self, conf: Dict[str, Any]) -> None:
         """
         Validate the configuration consistency
@@ -383,51 +336,3 @@ class Configuration(object):
             raise OperationalException(
                 f'The config trailing_stop_positive_offset needs '
                 'to be greater than trailing_stop_positive_offset in your config.')
-
-    def get_config(self) -> Dict[str, Any]:
-        """
-        Return the config. Use this method to get the bot config
-        :return: Dict: Bot config
-        """
-        if self.config is None:
-            self.config = self.load_config()
-
-        return self.config
-
-    def check_exchange(self, config: Dict[str, Any], check_for_bad: bool = True) -> bool:
-        """
-        Check if the exchange name in the config file is supported by Freqtrade
-        :param check_for_bad: if True, check the exchange against the list of known 'bad'
-                              exchanges
-        :return: False if exchange is 'bad', i.e. is known to work with the bot with
-                 critical issues or does not work at all, crashes, etc. True otherwise.
-                 raises an exception if the exchange if not supported by ccxt
-                 and thus is not known for the Freqtrade at all.
-        """
-        logger.info("Checking exchange...")
-
-        exchange = config.get('exchange', {}).get('name').lower()
-        if not is_exchange_available(exchange):
-            raise OperationalException(
-                    f'Exchange "{exchange}" is not supported by ccxt '
-                    f'and therefore not available for the bot.\n'
-                    f'The following exchanges are supported by ccxt: '
-                    f'{", ".join(available_exchanges())}'
-            )
-
-        if check_for_bad and is_exchange_bad(exchange):
-            logger.warning(f'Exchange "{exchange}" is known to not work with the bot yet. '
-                           f'Use it only for development and testing purposes.')
-            return False
-
-        if is_exchange_officially_supported(exchange):
-            logger.info(f'Exchange "{exchange}" is officially supported '
-                        f'by the Freqtrade development team.')
-        else:
-            logger.warning(f'Exchange "{exchange}" is supported by ccxt '
-                           f'and therefore available for the bot but not officially supported '
-                           f'by the Freqtrade development team. '
-                           f'It may work flawlessly (please report back) or have serious issues. '
-                           f'Use it at your own discretion.')
-
-        return True
diff --git a/freqtrade/configuration/create_datadir.py b/freqtrade/configuration/create_datadir.py
new file mode 100644
index 000000000..ecb59bc84
--- /dev/null
+++ b/freqtrade/configuration/create_datadir.py
@@ -0,0 +1,18 @@
+import logging
+import os
+from typing import Any, Dict, Optional
+
+
+logger = logging.getLogger(__name__)
+
+
+def create_datadir(config: Dict[str, Any], datadir: Optional[str] = None) -> str:
+    if not datadir:
+        # set datadir
+        exchange_name = config.get('exchange', {}).get('name').lower()
+        datadir = os.path.join('user_data', 'data', exchange_name)
+
+    if not os.path.isdir(datadir):
+        os.makedirs(datadir)
+        logger.info(f'Created data directory: {datadir}')
+    return datadir
diff --git a/freqtrade/configuration/json_schema.py b/freqtrade/configuration/json_schema.py
new file mode 100644
index 000000000..4c6f4a4a0
--- /dev/null
+++ b/freqtrade/configuration/json_schema.py
@@ -0,0 +1,53 @@
+import logging
+from typing import Any, Dict
+
+from jsonschema import Draft4Validator, validators
+from jsonschema.exceptions import ValidationError, best_match
+
+from freqtrade import constants
+
+
+logger = logging.getLogger(__name__)
+
+
+def _extend_validator(validator_class):
+    """
+    Extended validator for the Freqtrade configuration JSON Schema.
+    Currently it only handles defaults for subschemas.
+    """
+    validate_properties = validator_class.VALIDATORS['properties']
+
+    def set_defaults(validator, properties, instance, schema):
+        for prop, subschema in properties.items():
+            if 'default' in subschema:
+                instance.setdefault(prop, subschema['default'])
+
+        for error in validate_properties(
+            validator, properties, instance, schema,
+        ):
+            yield error
+
+    return validators.extend(
+        validator_class, {'properties': set_defaults}
+    )
+
+
+FreqtradeValidator = _extend_validator(Draft4Validator)
+
+
+def validate_config_schema(conf: Dict[str, Any]) -> Dict[str, Any]:
+    """
+    Validate the configuration follow the Config Schema
+    :param conf: Config in JSON format
+    :return: Returns the config if valid, otherwise throw an exception
+    """
+    try:
+        FreqtradeValidator(constants.CONF_SCHEMA).validate(conf)
+        return conf
+    except ValidationError as e:
+        logger.critical(
+            f"Invalid configuration. See config.json.example. Reason: {e}"
+        )
+        raise ValidationError(
+            best_match(Draft4Validator(constants.CONF_SCHEMA).iter_errors(conf)).message
+        )
diff --git a/freqtrade/data/history.py b/freqtrade/data/history.py
index 2a0d9b15e..f600615df 100644
--- a/freqtrade/data/history.py
+++ b/freqtrade/data/history.py
@@ -16,7 +16,7 @@ import arrow
 from pandas import DataFrame
 
 from freqtrade import OperationalException, misc
-from freqtrade.arguments import TimeRange
+from freqtrade.configuration import TimeRange
 from freqtrade.data.converter import parse_ticker_dataframe
 from freqtrade.exchange import Exchange, timeframe_to_minutes
 
diff --git a/freqtrade/edge/__init__.py b/freqtrade/edge/__init__.py
index 4bc8bb493..7085663d6 100644
--- a/freqtrade/edge/__init__.py
+++ b/freqtrade/edge/__init__.py
@@ -10,8 +10,7 @@ import utils_find_1st as utf1st
 from pandas import DataFrame
 
 from freqtrade import constants, OperationalException
-from freqtrade.arguments import Arguments
-from freqtrade.arguments import TimeRange
+from freqtrade.configuration import Arguments, TimeRange
 from freqtrade.data import history
 from freqtrade.strategy.interface import SellType
 
diff --git a/freqtrade/main.py b/freqtrade/main.py
index f02159a0e..a96fd43c5 100755
--- a/freqtrade/main.py
+++ b/freqtrade/main.py
@@ -15,7 +15,7 @@ from argparse import Namespace
 from typing import Any, List
 
 from freqtrade import OperationalException
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.worker import Worker
 
 
diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index 9abc68fec..429633f31 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -12,7 +12,7 @@ from typing import Any, Dict, List, NamedTuple, Optional
 from pandas import DataFrame
 from tabulate import tabulate
 
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.data import history
 from freqtrade.data.dataprovider import DataProvider
 from freqtrade.exchange import timeframe_to_minutes
diff --git a/freqtrade/optimize/edge_cli.py b/freqtrade/optimize/edge_cli.py
index 231493e4d..8d1fa381b 100644
--- a/freqtrade/optimize/edge_cli.py
+++ b/freqtrade/optimize/edge_cli.py
@@ -9,7 +9,7 @@ from tabulate import tabulate
 from freqtrade import constants
 from freqtrade.edge import Edge
 
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.exchange import Exchange
 from freqtrade.resolvers import StrategyResolver
 
diff --git a/freqtrade/optimize/hyperopt.py b/freqtrade/optimize/hyperopt.py
index 4167dc619..e3683a66c 100644
--- a/freqtrade/optimize/hyperopt.py
+++ b/freqtrade/optimize/hyperopt.py
@@ -18,7 +18,7 @@ from pandas import DataFrame
 from skopt import Optimizer
 from skopt.space import Dimension
 
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.data.history import load_data, get_timeframe
 from freqtrade.optimize.backtesting import Backtesting
 from freqtrade.resolvers.hyperopt_resolver import HyperOptResolver
diff --git a/freqtrade/plot/plotting.py b/freqtrade/plot/plotting.py
index 7904d42c9..dde6f78f0 100644
--- a/freqtrade/plot/plotting.py
+++ b/freqtrade/plot/plotting.py
@@ -4,7 +4,7 @@ from typing import Dict, List, Optional
 
 import pandas as pd
 
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.data import history
 from freqtrade.data.btanalysis import (combine_tickers_with_mean,
                                        create_cum_profit, load_trades)
diff --git a/freqtrade/tests/conftest.py b/freqtrade/tests/conftest.py
index 888135fa1..5862a2e89 100644
--- a/freqtrade/tests/conftest.py
+++ b/freqtrade/tests/conftest.py
@@ -6,7 +6,6 @@ from copy import deepcopy
 from datetime import datetime
 from functools import reduce
 from pathlib import Path
-from typing import List
 from unittest.mock import MagicMock, PropertyMock
 
 import arrow
@@ -14,7 +13,7 @@ import pytest
 from telegram import Chat, Message, Update
 
 from freqtrade import constants, persistence
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.data.converter import parse_ticker_dataframe
 from freqtrade.edge import Edge, PairInfo
 from freqtrade.exchange import Exchange
@@ -22,6 +21,7 @@ from freqtrade.freqtradebot import FreqtradeBot
 from freqtrade.resolvers import ExchangeResolver
 from freqtrade.worker import Worker
 
+
 logging.getLogger('').setLevel(logging.INFO)
 
 
@@ -39,10 +39,17 @@ def log_has_re(line, logs):
                   False)
 
 
-def get_args(args) -> List[str]:
+def get_args(args):
     return Arguments(args, '').get_parsed_arg()
 
 
+def patched_configuration_load_config_file(mocker, config) -> None:
+    mocker.patch(
+        'freqtrade.configuration.configuration.Configuration._load_config_file',
+        lambda *args, **kwargs: config
+    )
+
+
 def patch_exchange(mocker, api_mock=None, id='bittrex') -> None:
     mocker.patch('freqtrade.exchange.Exchange._load_markets', MagicMock(return_value={}))
     mocker.patch('freqtrade.exchange.Exchange.validate_pairs', MagicMock())
diff --git a/freqtrade/tests/data/test_btanalysis.py b/freqtrade/tests/data/test_btanalysis.py
index e8872f9a4..e80840009 100644
--- a/freqtrade/tests/data/test_btanalysis.py
+++ b/freqtrade/tests/data/test_btanalysis.py
@@ -4,7 +4,7 @@ import pytest
 from arrow import Arrow
 from pandas import DataFrame, to_datetime
 
-from freqtrade.arguments import Arguments, TimeRange
+from freqtrade.configuration import Arguments, TimeRange
 from freqtrade.data.btanalysis import (BT_DATA_COLUMNS,
                                        combine_tickers_with_mean,
                                        create_cum_profit,
diff --git a/freqtrade/tests/data/test_history.py b/freqtrade/tests/data/test_history.py
index 46bcf06c4..424333e99 100644
--- a/freqtrade/tests/data/test_history.py
+++ b/freqtrade/tests/data/test_history.py
@@ -12,7 +12,7 @@ import pytest
 from pandas import DataFrame
 
 from freqtrade import OperationalException
-from freqtrade.arguments import TimeRange
+from freqtrade.configuration import TimeRange
 from freqtrade.data import history
 from freqtrade.data.history import (download_pair_history,
                                     load_cached_data_for_updating,
diff --git a/freqtrade/tests/optimize/test_backtesting.py b/freqtrade/tests/optimize/test_backtesting.py
index 498a04db5..9304871a8 100644
--- a/freqtrade/tests/optimize/test_backtesting.py
+++ b/freqtrade/tests/optimize/test_backtesting.py
@@ -1,6 +1,5 @@
 # pragma pylint: disable=missing-docstring, W0212, line-too-long, C0103, unused-argument
 
-import json
 import math
 import random
 from unittest.mock import MagicMock
@@ -11,7 +10,7 @@ import pytest
 from arrow import Arrow
 
 from freqtrade import DependencyException, constants
-from freqtrade.arguments import TimeRange
+from freqtrade.configuration import TimeRange
 from freqtrade.data import history
 from freqtrade.data.btanalysis import evaluate_result_multi
 from freqtrade.data.converter import parse_ticker_dataframe
@@ -22,7 +21,8 @@ from freqtrade.optimize.backtesting import Backtesting
 from freqtrade.state import RunMode
 from freqtrade.strategy.default_strategy import DefaultStrategy
 from freqtrade.strategy.interface import SellType
-from freqtrade.tests.conftest import get_args, log_has, log_has_re, patch_exchange
+from freqtrade.tests.conftest import (get_args, log_has, log_has_re, patch_exchange,
+                                      patched_configuration_load_config_file)
 
 
 def trim_dictlist(dict_list, num):
@@ -165,9 +165,7 @@ def _trend_alternate(dataframe=None, metadata=None):
 
 # Unit tests
 def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
@@ -205,10 +203,11 @@ def test_setup_configuration_without_arguments(mocker, default_conf, caplog) ->
 
 
 def test_setup_bt_configuration_with_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
-    mocker.patch('freqtrade.configuration.Configuration._create_datadir', lambda s, c, x: x)
+    patched_configuration_load_config_file(mocker, default_conf)
+    mocker.patch(
+        'freqtrade.configuration.configuration.create_datadir',
+        lambda c, x: x
+    )
 
     args = [
         '--config', 'config.json',
@@ -276,9 +275,7 @@ def test_setup_bt_configuration_with_arguments(mocker, default_conf, caplog) ->
 def test_setup_configuration_unlimited_stake_amount(mocker, default_conf, caplog) -> None:
     default_conf['stake_amount'] = constants.UNLIMITED_STAKE_AMOUNT
 
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
@@ -295,9 +292,8 @@ def test_start(mocker, fee, default_conf, caplog) -> None:
     mocker.patch('freqtrade.exchange.Exchange.get_fee', fee)
     patch_exchange(mocker)
     mocker.patch('freqtrade.optimize.backtesting.Backtesting.start', start_mock)
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     args = [
         '--config', 'config.json',
         '--strategy', 'DefaultStrategy',
@@ -828,9 +824,7 @@ def test_backtest_start_live(default_conf, mocker, caplog):
     patch_exchange(mocker, api_mock)
     mocker.patch('freqtrade.optimize.backtesting.Backtesting.backtest', MagicMock())
     mocker.patch('freqtrade.optimize.backtesting.Backtesting._generate_text_table', MagicMock())
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
@@ -880,9 +874,7 @@ def test_backtest_start_multi_strat(default_conf, mocker, caplog):
     gen_strattable_mock = MagicMock()
     mocker.patch('freqtrade.optimize.backtesting.Backtesting._generate_text_table_strategy',
                  gen_strattable_mock)
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
diff --git a/freqtrade/tests/optimize/test_edge_cli.py b/freqtrade/tests/optimize/test_edge_cli.py
index 7cc41b095..badaa5c45 100644
--- a/freqtrade/tests/optimize/test_edge_cli.py
+++ b/freqtrade/tests/optimize/test_edge_cli.py
@@ -1,20 +1,18 @@
 # pragma pylint: disable=missing-docstring, C0103, C0330
 # pragma pylint: disable=protected-access, too-many-lines, invalid-name, too-many-arguments
 
-import json
 from unittest.mock import MagicMock
 
 from freqtrade.edge import PairInfo
 from freqtrade.optimize import setup_configuration, start_edge
 from freqtrade.optimize.edge_cli import EdgeCli
 from freqtrade.state import RunMode
-from freqtrade.tests.conftest import get_args, log_has, log_has_re, patch_exchange
+from freqtrade.tests.conftest import (get_args, log_has, log_has_re, patch_exchange,
+                                      patched_configuration_load_config_file)
 
 
 def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
@@ -46,10 +44,11 @@ def test_setup_configuration_without_arguments(mocker, default_conf, caplog) ->
 
 
 def test_setup_edge_configuration_with_arguments(mocker, edge_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(edge_conf)
-    ))
-    mocker.patch('freqtrade.configuration.Configuration._create_datadir', lambda s, c, x: x)
+    patched_configuration_load_config_file(mocker, edge_conf)
+    mocker.patch(
+        'freqtrade.configuration.configuration.create_datadir',
+        lambda c, x: x
+    )
 
     args = [
         '--config', 'config.json',
@@ -92,9 +91,8 @@ def test_start(mocker, fee, edge_conf, caplog) -> None:
     mocker.patch('freqtrade.exchange.Exchange.get_fee', fee)
     patch_exchange(mocker)
     mocker.patch('freqtrade.optimize.edge_cli.EdgeCli.start', start_mock)
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(edge_conf)
-    ))
+    patched_configuration_load_config_file(mocker, edge_conf)
+
     args = [
         '--config', 'config.json',
         '--strategy', 'DefaultStrategy',
diff --git a/freqtrade/tests/optimize/test_hyperopt.py b/freqtrade/tests/optimize/test_hyperopt.py
index e5f87b022..e8b4aa78d 100644
--- a/freqtrade/tests/optimize/test_hyperopt.py
+++ b/freqtrade/tests/optimize/test_hyperopt.py
@@ -1,5 +1,4 @@
 # pragma pylint: disable=missing-docstring,W0212,C0103
-import json
 import os
 from datetime import datetime
 from unittest.mock import MagicMock
@@ -16,7 +15,8 @@ from freqtrade.optimize.hyperopt import Hyperopt, HYPEROPT_LOCKFILE
 from freqtrade.optimize import setup_configuration, start_hyperopt
 from freqtrade.resolvers.hyperopt_resolver import HyperOptResolver
 from freqtrade.state import RunMode
-from freqtrade.tests.conftest import get_args, log_has, log_has_re, patch_exchange
+from freqtrade.tests.conftest import (get_args, log_has, log_has_re, patch_exchange,
+                                      patched_configuration_load_config_file)
 
 
 @pytest.fixture(scope='function')
@@ -44,9 +44,7 @@ def create_trials(mocker, hyperopt) -> None:
 
 
 def test_setup_hyperopt_configuration_without_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = [
         '--config', 'config.json',
@@ -82,10 +80,11 @@ def test_setup_hyperopt_configuration_without_arguments(mocker, default_conf, ca
 
 
 def test_setup_hyperopt_configuration_with_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
-    mocker.patch('freqtrade.configuration.Configuration._create_datadir', lambda s, c, x: x)
+    patched_configuration_load_config_file(mocker, default_conf)
+    mocker.patch(
+        'freqtrade.configuration.configuration.create_datadir',
+        lambda c, x: x
+    )
 
     args = [
         '--config', 'config.json',
@@ -148,11 +147,8 @@ def test_setup_hyperopt_configuration_with_arguments(mocker, default_conf, caplo
 
 
 def test_hyperoptresolver(mocker, default_conf, caplog) -> None:
+    patched_configuration_load_config_file(mocker, default_conf)
 
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
     hyperopts = DefaultHyperOpts
     delattr(hyperopts, 'populate_buy_trend')
     delattr(hyperopts, 'populate_sell_trend')
@@ -172,10 +168,7 @@ def test_hyperoptresolver(mocker, default_conf, caplog) -> None:
 
 def test_start(mocker, default_conf, caplog) -> None:
     start_mock = MagicMock()
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.start', start_mock)
     patch_exchange(mocker)
 
@@ -198,10 +191,7 @@ def test_start(mocker, default_conf, caplog) -> None:
 
 
 def test_start_no_data(mocker, default_conf, caplog) -> None:
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.optimize.hyperopt.load_data', MagicMock(return_value={}))
     mocker.patch(
         'freqtrade.optimize.hyperopt.get_timeframe',
@@ -226,10 +216,7 @@ def test_start_no_data(mocker, default_conf, caplog) -> None:
 
 def test_start_failure(mocker, default_conf, caplog) -> None:
     start_mock = MagicMock()
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.start', start_mock)
     patch_exchange(mocker)
 
@@ -250,10 +237,7 @@ def test_start_failure(mocker, default_conf, caplog) -> None:
 
 def test_start_filelock(mocker, default_conf, caplog) -> None:
     start_mock = MagicMock(side_effect=Timeout(HYPEROPT_LOCKFILE))
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.start', start_mock)
     patch_exchange(mocker)
 
diff --git a/freqtrade/tests/strategy/test_interface.py b/freqtrade/tests/strategy/test_interface.py
index e92cb7b1c..ee8c8ddd4 100644
--- a/freqtrade/tests/strategy/test_interface.py
+++ b/freqtrade/tests/strategy/test_interface.py
@@ -6,7 +6,7 @@ from unittest.mock import MagicMock
 import arrow
 from pandas import DataFrame
 
-from freqtrade.arguments import TimeRange
+from freqtrade.configuration import TimeRange
 from freqtrade.data.converter import parse_ticker_dataframe
 from freqtrade.data.history import load_tickerdata_file
 from freqtrade.persistence import Trade
diff --git a/freqtrade/tests/test_arguments.py b/freqtrade/tests/test_arguments.py
index 8186892aa..9de960da3 100644
--- a/freqtrade/tests/test_arguments.py
+++ b/freqtrade/tests/test_arguments.py
@@ -3,8 +3,9 @@ import argparse
 
 import pytest
 
-from freqtrade.arguments import (ARGS_DOWNLOADER, ARGS_PLOT_DATAFRAME,
-                                 Arguments, TimeRange, check_int_positive)
+from freqtrade.configuration import Arguments, TimeRange
+from freqtrade.configuration.arguments import ARGS_DOWNLOADER, ARGS_PLOT_DATAFRAME
+from freqtrade.configuration.arguments import check_int_positive
 
 
 # Parse common command-line-arguments. Used for all tools
diff --git a/freqtrade/tests/test_configuration.py b/freqtrade/tests/test_configuration.py
index c5e60be7f..4f3f4934d 100644
--- a/freqtrade/tests/test_configuration.py
+++ b/freqtrade/tests/test_configuration.py
@@ -1,5 +1,4 @@
 # pragma pylint: disable=missing-docstring, protected-access, invalid-name
-
 import json
 import logging
 from argparse import Namespace
@@ -11,12 +10,15 @@ import pytest
 from jsonschema import Draft4Validator, ValidationError, validate
 
 from freqtrade import OperationalException, constants
-from freqtrade.arguments import Arguments
-from freqtrade.configuration import Configuration
+from freqtrade.configuration import Arguments, Configuration
+from freqtrade.configuration.check_exchange import check_exchange
+from freqtrade.configuration.create_datadir import create_datadir
+from freqtrade.configuration.json_schema import validate_config_schema
 from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL
 from freqtrade.loggers import _set_loggers
 from freqtrade.state import RunMode
-from freqtrade.tests.conftest import log_has, log_has_re
+from freqtrade.tests.conftest import (log_has, log_has_re,
+                                      patched_configuration_load_config_file)
 
 
 @pytest.fixture(scope="function")
@@ -32,28 +34,25 @@ def test_load_config_invalid_pair(default_conf) -> None:
     default_conf['exchange']['pair_whitelist'].append('ETH-BTC')
 
     with pytest.raises(ValidationError, match=r'.*does not match.*'):
-        configuration = Configuration(Namespace())
-        configuration._validate_config_schema(default_conf)
+        validate_config_schema(default_conf)
 
 
 def test_load_config_missing_attributes(default_conf) -> None:
     default_conf.pop('exchange')
 
     with pytest.raises(ValidationError, match=r'.*\'exchange\' is a required property.*'):
-        configuration = Configuration(Namespace())
-        configuration._validate_config_schema(default_conf)
+        validate_config_schema(default_conf)
 
 
 def test_load_config_incorrect_stake_amount(default_conf) -> None:
     default_conf['stake_amount'] = 'fake'
 
     with pytest.raises(ValidationError, match=r'.*\'fake\' does not match \'unlimited\'.*'):
-        configuration = Configuration(Namespace())
-        configuration._validate_config_schema(default_conf)
+        validate_config_schema(default_conf)
 
 
 def test_load_config_file(default_conf, mocker, caplog) -> None:
-    file_mock = mocker.patch('freqtrade.configuration.open', mocker.mock_open(
+    file_mock = mocker.patch('freqtrade.configuration.configuration.open', mocker.mock_open(
         read_data=json.dumps(default_conf)
     ))
 
@@ -65,9 +64,7 @@ def test_load_config_file(default_conf, mocker, caplog) -> None:
 
 def test_load_config_max_open_trades_zero(default_conf, mocker, caplog) -> None:
     default_conf['max_open_trades'] = 0
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = Arguments([], '').get_parsed_arg()
     configuration = Configuration(args)
@@ -89,7 +86,10 @@ def test_load_config_combine_dicts(default_conf, mocker, caplog) -> None:
     config_files = [conf1, conf2]
 
     configsmock = MagicMock(side_effect=config_files)
-    mocker.patch('freqtrade.configuration.Configuration._load_config_file', configsmock)
+    mocker.patch(
+        'freqtrade.configuration.configuration.Configuration._load_config_file',
+        configsmock
+    )
 
     arg_list = ['-c', 'test_conf.json', '--config', 'test2_conf.json', ]
     args = Arguments(arg_list, '').get_parsed_arg()
@@ -109,9 +109,7 @@ def test_load_config_combine_dicts(default_conf, mocker, caplog) -> None:
 
 def test_load_config_max_open_trades_minus_one(default_conf, mocker, caplog) -> None:
     default_conf['max_open_trades'] = -1
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = Arguments([], '').get_parsed_arg()
     configuration = Configuration(args)
@@ -126,7 +124,7 @@ def test_load_config_max_open_trades_minus_one(default_conf, mocker, caplog) ->
 
 def test_load_config_file_exception(mocker) -> None:
     mocker.patch(
-        'freqtrade.configuration.open',
+        'freqtrade.configuration.configuration.open',
         MagicMock(side_effect=FileNotFoundError('File not found'))
     )
     configuration = Configuration(Namespace())
@@ -136,9 +134,7 @@ def test_load_config_file_exception(mocker) -> None:
 
 
 def test_load_config(default_conf, mocker) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = Arguments([], '').get_parsed_arg()
     configuration = Configuration(args)
@@ -150,9 +146,8 @@ def test_load_config(default_conf, mocker) -> None:
 
 
 def test_load_config_with_params(default_conf, mocker) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     arglist = [
         '--dynamic-whitelist', '10',
         '--strategy', 'TestStrategy',
@@ -173,9 +168,7 @@ def test_load_config_with_params(default_conf, mocker) -> None:
     conf = default_conf.copy()
     conf["dry_run"] = False
     conf["db_url"] = "sqlite:///path/to/db.sqlite"
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(conf)
-    ))
+    patched_configuration_load_config_file(mocker, conf)
 
     arglist = [
         '--strategy', 'TestStrategy',
@@ -191,9 +184,7 @@ def test_load_config_with_params(default_conf, mocker) -> None:
     conf = default_conf.copy()
     conf["dry_run"] = True
     conf["db_url"] = "sqlite:///path/to/db.sqlite"
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(conf)
-    ))
+    patched_configuration_load_config_file(mocker, conf)
 
     arglist = [
         '--strategy', 'TestStrategy',
@@ -209,9 +200,7 @@ def test_load_config_with_params(default_conf, mocker) -> None:
     conf = default_conf.copy()
     conf["dry_run"] = False
     del conf["db_url"]
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(conf)
-    ))
+    patched_configuration_load_config_file(mocker, conf)
 
     arglist = [
         '--strategy', 'TestStrategy',
@@ -229,9 +218,7 @@ def test_load_config_with_params(default_conf, mocker) -> None:
     conf = default_conf.copy()
     conf["dry_run"] = True
     conf["db_url"] = DEFAULT_DB_PROD_URL
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(conf)
-    ))
+    patched_configuration_load_config_file(mocker, conf)
 
     arglist = [
         '--strategy', 'TestStrategy',
@@ -249,9 +236,7 @@ def test_load_custom_strategy(default_conf, mocker) -> None:
         'strategy': 'CustomStrategy',
         'strategy_path': '/tmp/strategies',
     })
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = Arguments([], '').get_parsed_arg()
     configuration = Configuration(args)
@@ -262,9 +247,8 @@ def test_load_custom_strategy(default_conf, mocker) -> None:
 
 
 def test_show_info(default_conf, mocker, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     arglist = [
         '--dynamic-whitelist', '10',
         '--strategy', 'TestStrategy',
@@ -287,9 +271,8 @@ def test_show_info(default_conf, mocker, caplog) -> None:
 
 
 def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     arglist = [
         '--config', 'config.json',
         '--strategy', 'DefaultStrategy',
@@ -327,10 +310,11 @@ def test_setup_configuration_without_arguments(mocker, default_conf, caplog) ->
 
 
 def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
-    mocker.patch('freqtrade.configuration.Configuration._create_datadir', lambda s, c, x: x)
+    patched_configuration_load_config_file(mocker, default_conf)
+    mocker.patch(
+        'freqtrade.configuration.configuration.create_datadir',
+        lambda c, x: x
+    )
 
     arglist = [
         '--config', 'config.json',
@@ -393,9 +377,7 @@ def test_setup_configuration_with_stratlist(mocker, default_conf, caplog) -> Non
     """
     Test setup_configuration() function
     """
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     arglist = [
         '--config', 'config.json',
@@ -443,9 +425,8 @@ def test_setup_configuration_with_stratlist(mocker, default_conf, caplog) -> Non
 
 
 def test_hyperopt_with_arguments(mocker, default_conf, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     arglist = [
         'hyperopt',
         '--epochs', '10',
@@ -469,25 +450,23 @@ def test_hyperopt_with_arguments(mocker, default_conf, caplog) -> None:
 
 
 def test_check_exchange(default_conf, caplog) -> None:
-    configuration = Configuration(Namespace())
-
     # Test an officially supported by Freqtrade team exchange
     default_conf.get('exchange').update({'name': 'BITTREX'})
-    assert configuration.check_exchange(default_conf)
+    assert check_exchange(default_conf)
     assert log_has_re(r"Exchange .* is officially supported by the Freqtrade development team\.",
                       caplog.record_tuples)
     caplog.clear()
 
     # Test an officially supported by Freqtrade team exchange
     default_conf.get('exchange').update({'name': 'binance'})
-    assert configuration.check_exchange(default_conf)
+    assert check_exchange(default_conf)
     assert log_has_re(r"Exchange .* is officially supported by the Freqtrade development team\.",
                       caplog.record_tuples)
     caplog.clear()
 
     # Test an available exchange, supported by ccxt
     default_conf.get('exchange').update({'name': 'kraken'})
-    assert configuration.check_exchange(default_conf)
+    assert check_exchange(default_conf)
     assert log_has_re(r"Exchange .* is supported by ccxt and .* not officially supported "
                       r"by the Freqtrade development team\. .*",
                       caplog.record_tuples)
@@ -495,7 +474,7 @@ def test_check_exchange(default_conf, caplog) -> None:
 
     # Test a 'bad' exchange, which known to have serious problems
     default_conf.get('exchange').update({'name': 'bitmex'})
-    assert not configuration.check_exchange(default_conf)
+    assert not check_exchange(default_conf)
     assert log_has_re(r"Exchange .* is known to not work with the bot yet\. "
                       r"Use it only for development and testing purposes\.",
                       caplog.record_tuples)
@@ -503,7 +482,7 @@ def test_check_exchange(default_conf, caplog) -> None:
 
     # Test a 'bad' exchange with check_for_bad=False
     default_conf.get('exchange').update({'name': 'bitmex'})
-    assert configuration.check_exchange(default_conf, False)
+    assert check_exchange(default_conf, False)
     assert log_has_re(r"Exchange .* is supported by ccxt and .* not officially supported "
                       r"by the Freqtrade development team\. .*",
                       caplog.record_tuples)
@@ -511,19 +490,18 @@ def test_check_exchange(default_conf, caplog) -> None:
 
     # Test an invalid exchange
     default_conf.get('exchange').update({'name': 'unknown_exchange'})
-    configuration.config = default_conf
 
     with pytest.raises(
         OperationalException,
         match=r'.*Exchange "unknown_exchange" is not supported by ccxt '
               r'and therefore not available for the bot.*'
     ):
-        configuration.check_exchange(default_conf)
+        check_exchange(default_conf)
 
 
 def test_cli_verbose_with_params(default_conf, mocker, caplog) -> None:
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)))
+    patched_configuration_load_config_file(mocker, default_conf)
+
     # Prevent setting loggers
     mocker.patch('freqtrade.loggers._set_loggers', MagicMock)
     arglist = ['-vvv']
@@ -575,8 +553,7 @@ def test_set_loggers() -> None:
 
 
 def test_set_logfile(default_conf, mocker):
-    mocker.patch('freqtrade.configuration.open',
-                 mocker.mock_open(read_data=json.dumps(default_conf)))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     arglist = [
         '--logfile', 'test_file.log',
@@ -593,9 +570,7 @@ def test_set_logfile(default_conf, mocker):
 
 def test_load_config_warn_forcebuy(default_conf, mocker, caplog) -> None:
     default_conf['forcebuy_enable'] = True
-    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
-        read_data=json.dumps(default_conf)
-    ))
+    patched_configuration_load_config_file(mocker, default_conf)
 
     args = Arguments([], '').get_parsed_arg()
     configuration = Configuration(args)
@@ -609,12 +584,11 @@ def test_validate_default_conf(default_conf) -> None:
     validate(default_conf, constants.CONF_SCHEMA, Draft4Validator)
 
 
-def test__create_datadir(mocker, default_conf, caplog) -> None:
+def test_create_datadir(mocker, default_conf, caplog) -> None:
     mocker.patch('os.path.isdir', MagicMock(return_value=False))
     md = MagicMock()
     mocker.patch('os.makedirs', md)
-    cfg = Configuration(Namespace())
-    cfg._create_datadir(default_conf, '/foo/bar')
+    create_datadir(default_conf, '/foo/bar')
     assert md.call_args[0][0] == "/foo/bar"
     assert log_has('Created data directory: /foo/bar', caplog.record_tuples)
 
@@ -656,8 +630,7 @@ def test_load_config_default_exchange(all_conf) -> None:
 
     with pytest.raises(ValidationError,
                        match=r'\'exchange\' is a required property'):
-        configuration = Configuration(Namespace())
-        configuration._validate_config_schema(all_conf)
+        validate_config_schema(all_conf)
 
 
 def test_load_config_default_exchange_name(all_conf) -> None:
@@ -671,8 +644,7 @@ def test_load_config_default_exchange_name(all_conf) -> None:
 
     with pytest.raises(ValidationError,
                        match=r'\'name\' is a required property'):
-        configuration = Configuration(Namespace())
-        configuration._validate_config_schema(all_conf)
+        validate_config_schema(all_conf)
 
 
 @pytest.mark.parametrize("keys", [("exchange", "sandbox", False),
@@ -695,7 +667,6 @@ def test_load_config_default_subkeys(all_conf, keys) -> None:
 
     assert subkey not in all_conf[key]
 
-    configuration = Configuration(Namespace())
-    configuration._validate_config_schema(all_conf)
+    validate_config_schema(all_conf)
     assert subkey in all_conf[key]
     assert all_conf[key][subkey] == keys[2]
diff --git a/freqtrade/tests/test_main.py b/freqtrade/tests/test_main.py
index 9c578099d..bcaad4d7d 100644
--- a/freqtrade/tests/test_main.py
+++ b/freqtrade/tests/test_main.py
@@ -6,11 +6,12 @@ from unittest.mock import MagicMock
 import pytest
 
 from freqtrade import OperationalException
-from freqtrade.arguments import Arguments
+from freqtrade.configuration import Arguments
 from freqtrade.freqtradebot import FreqtradeBot
 from freqtrade.main import main
 from freqtrade.state import State
-from freqtrade.tests.conftest import log_has, patch_exchange
+from freqtrade.tests.conftest import (log_has, patch_exchange,
+                                      patched_configuration_load_config_file)
 from freqtrade.worker import Worker
 
 
@@ -50,10 +51,7 @@ def test_main_fatal_exception(mocker, default_conf, caplog) -> None:
     patch_exchange(mocker)
     mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
     mocker.patch('freqtrade.worker.Worker._worker', MagicMock(side_effect=Exception))
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
     mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
 
@@ -70,10 +68,7 @@ def test_main_keyboard_interrupt(mocker, default_conf, caplog) -> None:
     patch_exchange(mocker)
     mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
     mocker.patch('freqtrade.worker.Worker._worker', MagicMock(side_effect=KeyboardInterrupt))
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
     mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
 
@@ -93,10 +88,7 @@ def test_main_operational_exception(mocker, default_conf, caplog) -> None:
         'freqtrade.worker.Worker._worker',
         MagicMock(side_effect=OperationalException('Oh snap!'))
     )
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
     mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
 
@@ -118,10 +110,7 @@ def test_main_reload_conf(mocker, default_conf, caplog) -> None:
                                          State.RUNNING,
                                          OperationalException("Oh snap!")])
     mocker.patch('freqtrade.worker.Worker._worker', worker_mock)
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     reconfigure_mock = mocker.patch('freqtrade.main.Worker._reconfigure', MagicMock())
 
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
@@ -145,10 +134,7 @@ def test_reconfigure(mocker, default_conf) -> None:
         'freqtrade.worker.Worker._worker',
         MagicMock(side_effect=OperationalException('Oh snap!'))
     )
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: default_conf
-    )
+    patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
     mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
 
@@ -159,10 +145,7 @@ def test_reconfigure(mocker, default_conf) -> None:
     # Renew mock to return modified data
     conf = deepcopy(default_conf)
     conf['stake_amount'] += 1
-    mocker.patch(
-        'freqtrade.configuration.Configuration._load_config_file',
-        lambda *args, **kwargs: conf
-    )
+    patched_configuration_load_config_file(mocker, conf)
 
     worker._config = conf
     # reconfigure should return a new instance
diff --git a/freqtrade/tests/test_plotting.py b/freqtrade/tests/test_plotting.py
index 565659d25..0ebadf720 100644
--- a/freqtrade/tests/test_plotting.py
+++ b/freqtrade/tests/test_plotting.py
@@ -5,7 +5,7 @@ from unittest.mock import MagicMock
 import plotly.graph_objs as go
 from plotly import tools
 
-from freqtrade.arguments import Arguments, TimeRange
+from freqtrade.configuration import Arguments, TimeRange
 from freqtrade.data import history
 from freqtrade.data.btanalysis import create_cum_profit, load_backtest_data
 from freqtrade.plot.plotting import (add_indicators, add_profit,
diff --git a/scripts/download_backtest_data.py b/scripts/download_backtest_data.py
index 472b3ef4e..9bf05941f 100755
--- a/scripts/download_backtest_data.py
+++ b/scripts/download_backtest_data.py
@@ -8,8 +8,10 @@ import sys
 from pathlib import Path
 from typing import Any, Dict, List
 
-from freqtrade.arguments import Arguments, TimeRange, ARGS_DOWNLOADER
+from freqtrade.configuration import Arguments, TimeRange
 from freqtrade.configuration import Configuration
+from freqtrade.configuration.arguments import ARGS_DOWNLOADER
+from freqtrade.configuration.check_exchange import check_exchange
 from freqtrade.data.history import download_pair_history
 from freqtrade.exchange import Exchange
 from freqtrade.misc import deep_merge_dicts
@@ -79,7 +81,7 @@ if args.config and args.exchange:
                    "using exchange settings from the configuration file.")
 
 # Check if the exchange set by the user is supported
-configuration.check_exchange(config)
+check_exchange(config)
 
 configuration._load_datadir_config(config)
 
diff --git a/scripts/plot_dataframe.py b/scripts/plot_dataframe.py
index 1e2d9f248..fc7e30173 100755
--- a/scripts/plot_dataframe.py
+++ b/scripts/plot_dataframe.py
@@ -18,7 +18,8 @@ from typing import Any, Dict, List
 
 import pandas as pd
 
-from freqtrade.arguments import ARGS_PLOT_DATAFRAME, Arguments
+from freqtrade.configuration import Arguments
+from freqtrade.configuration.arguments import ARGS_PLOT_DATAFRAME
 from freqtrade.data.btanalysis import extract_trades_of_period
 from freqtrade.optimize import setup_configuration
 from freqtrade.plot.plotting import (init_plotscript, generate_candlestick_graph,
diff --git a/scripts/plot_profit.py b/scripts/plot_profit.py
index 7442ef155..96536e1e5 100755
--- a/scripts/plot_profit.py
+++ b/scripts/plot_profit.py
@@ -8,7 +8,8 @@ import logging
 import sys
 from typing import Any, Dict, List
 
-from freqtrade.arguments import ARGS_PLOT_PROFIT, Arguments
+from freqtrade.configuration import Arguments
+from freqtrade.configuration.arguments import ARGS_PLOT_PROFIT
 from freqtrade.optimize import setup_configuration
 from freqtrade.plot.plotting import init_plotscript, generate_profit_graph, store_plot_file
 from freqtrade.state import RunMode