you must not have enough knowledge before starting trading. I have seen many people becoming rich thanks to trading. You need to spend more time to learn about trading before getting use to it. well, holding your coins is not a bad idea, but you will lose a chance to earn even more money 
Yes, I agree with you many people want to become rich with in short period of time but they will end up in loss due to because they don't experience about trading. Op need to spend a lot of time on the trading market in order to get knowledge about trading.