No, there isn't. Many people are looking for strategies that can somehow make them rich over a course of a few hours but this is simply not the case with gambling. The house will always win.
Why not lets accept the truth that gambling is gambling it is made not for us to earn profits ,it is the safest method because when we think for profit it will only make us depressed when you lose but if you dont mind any profit even safe way you gamble will don't matyer to you.