But stopping instantly would save you a lot of money. Also it would be much better for gambler to stop gambling instead of gambling less every day, as he will still want to gamble. Nobody said that it is easy to stop gambling if you are addicted to gambling, but it is possible to do that, that gambler that wants to stop just have to try enough to stop wanting to gamble.
Yes that will be the best result for stopping or quitting gambling for good. We can't stop instantly, there are gamblers that can't resist the temptation and they will stop suddenly. It's like a learning process and you are teaching yourself on how you are able to quit gambling a little by little, it's a good strategy and I know this is effective.