#TradingMistakes101 Errors will always be found in any aspect of life, and in trading, it is more common than one might think. The simple act of trading without a trading PLAN is the first fatal mistake a trader can make. When you don't have a focus on what you want, you've already started losing. You might get lucky and have a couple of good trades, but if you don't have a plan, sooner or later, you'll end up losing everything.