Be greedy up to a certain point. Never invest more than you can afford to lose. Learn everything you can about crypto, study it, invest where you feel confident.
Yes don't invest all your money, invest only you can afford to lose. Investing in cryptocurrency you need knowledge and study and learn all facts about in cryptocurrency it helps you a lot in your investment to be confident and positive. I think greedy is good cause it is only in investing online not in real life.