It can sometimes be difficult to know how much you should spend at an online casino. Sometimes they will match the amount that you deposit and so it can be tempting to deposit a big amount of money because you will get better value for money in the long term. However, this may not be a sensible thing to do for everyone.
You need to work out how much you can afford to deposit to start with. Although there is always a chance that you will win something, that is never guaranteed and so you need to make sure that you do not make any assumptions about winning. Therefore look at the money that you have and make sure that you only deposit money that you can afford to lose and no more than that.
The casino will sometimes match your deposit up to a certain amount. In can be tempting to deposit that amount so that you get the maximum amount from them. However, consider how much you can actually afford. Also think about how quickly that money might disappear. If you deposit a large sum of money then you might spend it very quickly, but if you deposit less, then you might try to make it last longer and spend less at a time. This will depend on what sort of person you are.
It is wise to consider whether you will be tempted to keep depositing more and more money or whether you are likely to stop once you have used the deposit. If you are likely to keep adding more in, then it could be wise to start with a small amount so that you can keep better control over the amount that is being spent as it can be easy to count the number of times you are making new deposits. If you are only likely to spend what you have deposited and then leave the casino for a while, then it could be better to deposit a higher amount.
Take it easy when you first start playing at a casino as you may not understand how things work properly and could end up wasting money. Make sure you know the rules and understand how to win the game so that you can play properly and not lose money by making avoidable mistakes.
So there is no specific figure that someone should spend in a casino. It all very much depends on the amount of money that you can afford to lose.