_ Not planing there trades: there is a popular saying that he who fail too plan, plan to fail.
Before entering a trade, an entry point and exit point must be spotted if you want to succeed.
It's always good to have a vision about when to start and when to stop but there is an occasion where people need to do stop losses because of the unexpected things happen that was not planned before. No one knows what happen next and you must adapt with everything in the market in order to actually survive with the stuff.
_ Don't make emotional driven decisions: Emotions like fear and greed can cloud our sense of reasoning and leads to impulsive action, just stay calm and stick to your plan.
It's easier to said than done. Every person has different anger level and how do they manage their own emotions, one is easier to manage but the rest is more difficult.
_ Not doing enough research: knowledge is key in trading , knowing the craft is very important, take your time to study the market, analyse chart pattern, and stay updated to news that can impact your trade.
Remember trading requires not just strategy, but discipline
This one is true, even though the assets are already famous and people know it but still you have to keep researching about future update and it may affect your current performance depends on how the news goes.