Updated based on feedback:

- Profit commands now use float
- Compatible with --best
- Corrected wrong information in docs

freqtrade/commands/cli_options.py

@@ -401,14 +401,14 @@ AVAILABLE_CLI_OPTIONS = {
     "hyperopt_list_min_avg_time": Arg(
         '--min-avg-time',
         help='Select epochs on above average time.',
-        type=check_int_nonzero,
-        metavar='INT',
+        type=float,
+        metavar='FLOAT',
     ),
     "hyperopt_list_max_avg_time": Arg(
         '--max-avg-time',
         help='Select epochs on under average time.',
-        type=check_int_nonzero,
-        metavar='INT',
+        type=float,
+        metavar='FLOAT',
     ),
     "hyperopt_list_min_avg_profit": Arg(
         '--min-avg-profit',