I define a mistake as not following your rules. Thus, for many people who have no written rules, everything they do is a mistake. But if you have followed the first four steps, then you will have rules to guide your trading and you can define a mistake as not following those rules. And, of course, when you repeat the same mistake over and over again, then that is self sabotage. However, by monitoring your mistakes and continuing to work on yourself, you can minimize the impact of such mistakes. People who do this, in my opinion, will tend to produce consistent, above average profits