That's one way of controlling myself in able to get a better profit. But giving myself an amount for limitation can be helpful but the question is if I'm going to follow that limit. It's very easy to set a limit but the hardest thing is that on how you are going to make the assurance that you can follow that for your own good for the profit you are hoping.
It can be helpful and I have proven that it works. Well sometimes it might not work when you get too excited to play and keep on winning but I can assure you that most of the time it works. It is good that it is keeping myself not to lose control when I play because I have limitation on myself. When someone play for fun or profit , they should have limitation
Good thing that you supported that strategy when it comes for the reason of getting profit in gambling. And with your second sentence, the reason why gamblers are not getting a good profit is because of the emotion. I guess our emotion will always play a big part when it comes to betting activity because if you can't control it, your lost.