Humans need money to live and there are many ways to earn it. First of all, luck games are the shortest way to become very rich. Generally, humans can not earn too much money just by working in a certain job. The money that one earns in a single time from a luck game is much more than one’s whole-time salary in a life time. Another way to become rich is to be a famous person. In addition, one should set up his own company to become rich. Briefly, there are various ways to be rich. The problem is which one is to be chosen.