When you trade, of course your goal is to earn income, the second is to develop your capital because when you are just playing around or maybe you are just trying to get big profits or in other words, you are greedy. In my opinion, that is something that is not right because after all what you have to focus on here is looking for income to develop that capital. The point is, don't ever think about trading greedily to get big profits which will ultimately make you MC