Still the best way to quit gambling is really just stop instantly and don't ever think of playing again. Or you could still play but only with a few dollars or quite lower than what you used to play with. Just play for fun, don't ever try and chase your losses, it's never good to try and recover what you lost.
Finally someone get this, there is no such thing as getting addicted and you cant stop. You can choose to stop instantly and there will be nothing that will stop you from doing that. Most people dont want to admit this fact and keep on blaming their addiction for the reason on why they couldnt stop doing it
It is possible if you are really dedicated about doing it, but if you are not, then of course it is impossible. Maybe you couldn't stop like that easily but you could do it step by step, I mean, minimize the day that you are going to gambling, also the amount of the money that you are using in gambling, in that way, you might be able to control yourself and not be addicted on it anymore.
Trying also other things will do, we must see other things where we could earn money other than gambling, because we are not really earning money on this, instead we are losing it.