Yes sometimes mistakes happen in cryptocurrency trading like wrong order placement, selling tokens early or before the pump this usually happens with most of the traders. In cryptocurrency industry one must have patience and passion to learn from mistake and should have good satisfaction level.
Let me correct you mate, mistakes always happened to all crypto traders not sometimes. Don't you know that in every mistakes we make, there's always a lesson behind it. I'm not saying that We need to do mistakes, just through this things We become more mature as a traders in my opinion. Although you are right that patience, dedication and passion is what most matters now as being a player in trading.