Every gambler has their own method, but at the end of the day, what matters is winning, and of course, enjoying the game.
But we shouldn’t focus only on the rewards. There’s always a big risk on the other side. It’s really up to you whether you want to play it slow and steady or go for that one-time big win. In the end, it’s not you who controls the outcome - it’s your luck.
No doubts winning is the main priority of most gamblers this is why they end up being addicted along the line and of course everyone has their different ways of which they tend to gamble
but what matters most is that you're being able to manage every risks that comes with it and control your habits.
According to what OP said, whether you gamble gradually with small amount or you stake with huge amount, you will still be at the losing side compare to the casino. So, like Maslate said, a gambler should not focus too much on the reward because being too inquisitive about the gambling reward is what makes some people get into trouble by doing the wrong thing which they are not supposed to. Any body that is gambling with a huge amount should be prepared to handle the outcome of the bet regardless of which result they get.