Some people do increase the betting on the same game and it leads to huge loss.It's essential one to save some money for the future gambling.The should have an disciplined game with certain interval on the game.
Bankroll management is a complex topic, but I wouldn't say there's any inherent value in saving some money for the future betting. If you spot an amazing opportunity of a high value bet that does not come too often - there's nothing wrong in putting all your available gambling funds on it, provided that money is earmarked for gambling and you can afford to lose it.
The priority should be to aim for the maximisation of the profit and not to last long just for the sake of it.