Some people gamble for fun which is the right reason someone should gamble. If you want money from gambling, let it be small in a way that you will still not use more than small amount of money to gamble. Do not gamble because you want to make money and be using high amount of money to gamble because gamblers are always losing than winning. The losses are so much more.
There is no good way to win at gambling. Because no matter how good a strategy you make, you will never win as much as you want. But you can only control yourself and continue gambling by keeping a tight budget, in this case, your losses can only be less. It is a good decision to use a small amount of money there instead of trying to earn income from gambling and just enjoy the fun. And if you are lucky there, you can win something big along with the fun, which will act as a very big gift for you. But if you start spending money on gambling with the intention of winning something big, then the losses will always be more than the profits, which you cannot afford.