Many people just play at online casinos and real casinos for fun, and there is nothing wrong with that at all, it’s a great form of entertainment, though unless you want to land in some hot water you need to understand the need of gambling responsibly. The way to manage your money is just to set aside what you can afford, and if you are unfortunate enough to lose it, then is the time to stop playing. Of course, you might be lucky and win, and you should treat that as a bonus and use your winnings to treat yourself and maybe your partner or friends to a treat, take them out for a meal or pay for an evening at the bowling alley.
However, if you take your casino gambling more seriously than that, and you are prepared to invest some effort in order to maximise your chances of winning, then you need to be a little more careful about managing your money. The first thing you need to do is select the games that you intend to play, and you need to select them carefully. After having chosen your game, your next best bet would be to try it out for free first. You need to play games that have a very low house edge. If you are an expert poker player, then that is generally a good choice as long as you can afford a large bankroll (the money that you set aside for gambling), however if not then one of your best options is to play blackjack, as you can use basic strategy and careful game selection to find games that have a very small (even zero) house edge, so that you maximises your chances of winning.
Next divide your bankroll into bets so that one bet is around one hundredth of your total stakes. If you are going to set aside $200, then each bet will be $2.00. Now if you play blackjack at $2.00 a bet and bet flat, in other words don’t increase your bet, the chances are that you will never go bust and you are likely to finish on the winning side. Decide how much you would like to win (say $25) and when you do you should finish your session. Bank your profits or set them aside before starting another session and as a final note, make sure to check out the wealth of information available.