If you're just playing for fun and entertainment and don't mind losing or winning a lot without getting addicted in the process, that's fine, but if you're just playing to get rich quick, it's very difficult and random in any type of gambling, you have to have a lot to lose (or be very lucky).
Gambling is a place to have fun and do not make it as a place to get money let alone become rich in gambling, because if once you get a big victory in gambling you will feel you great and you will think I might get a second time, the third time And so on until your money is lost everything.
The strategy is only in the form of how you manage your money to be discarded or eliminated in gambling according to our personal risks, the rest is dominant luck, especially in slot games.