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Conclusion: I feel that greed is one problem in trading that can actually lead to unexpected losses. My advice is that, as a trader, always take that profit you have made. If, for example, you entered a position and it's really going in your direction, if you have seen a +$100-$500 profit, it's better to take it first.
It's very easy to say "Always take profit" if you aren't a trader, but TBH, it's hard if you're in that position where you are up 200% in your position, but you still want more because you're too greedy.
I've been in that situation already many times. One trade, you will gain so much profit, but you want more so you will make another trade again and this time, you lose. Taking profits is very easy to do, but because there are many greedy traders, their supposed profits will turn out to be huge losses. Taking profit will never be hurtful. Just think that profit = profit, and that would be better than waiting for more, hoping to get more profits only to end up losing.
Greediness is always a problem for some traders so I guess learning how to be emotionless when trading would be helpful. Stick to your strategy. If your plan is to sell when you're up 10% then at all cases, do it, and don't wait for any longer. After all, profit is profit.
