Trading is so profitable field, but it needs so much knowledge and experience to make a profit from it, as you said, It's about studying fundamental and technical analysis, which it's a bit hard because you need to have a high knowledge about altcoins and their projects, you need to follow the news and also to be patient.  The most important thing is to know the right moment to sell or to buy, which it's hard to predict because of the high volatility of the market.