My biggest problem in trading is that I was too brave to buy altcoin at a high price, and because of that I often lost my btc, even once I lost 50% of my btc when I bought altcoin at a price far above ICO.
So please give me feedback on this, what should I do?
It is not bravery, it is impatience. You do not have experience in the business, so you can not make the right decisions, you need to learn more if you do not want to lose more money.