There is always an element of risk when you are playing in online casinos. You are gambling money and the risk that you take is losing all of the money. As casinos set the odds so that they profit, that is how their business model works, it means that you are much more likely to lose than to win anything.
How much risk you take is determined by the odds of the game that you are playing. This outlines the chance and so if you know the odds then you will know what the chances are of you winning the game. However, even if you do find this out, in some games, winning may refer to any prize and some games have winnings that vary in value and they can be anything from a huge jackpot to an amount lower than what you paid to play. It is therefore important that you know exactly what it is referring to. If you are the sort of person that plays to win the big jackpots and is not interested in smaller prizes, then you will need to look carefully at the odds of winning that rather than any prize.
There are some games which need some skill in order to win, such as poker and there are other games which are pure luck, such as bingo. You may feel that if you choose a game that needs some skill and you are skilled in it, then you will improve your chances of winning compared with a game of pure luck. However, this may not be as simple as it seems, as you have no idea how skilled your opponents will be. If they are all better than you, then you will be unlikely to have any chance of winning, unless you are lucky. Therefore luck will play a part here as well, although you may feel more in control of your luck in this situation.
It is wise those to reduce your risk of losing more money than you can afford. This can be easier than you might think. You do need to start by calculating how much money you can afford to lose though. Consider how much money you need to be able to cover your expenses and then anything left will be left for luxuries. Out of this you will need to decide how much you want to spend in the casino and then whether you want to spend it all at once or if you want to spend some each day. Then you will be able to just credit your account with the relevant amount of money and play without risk. Just make sure that you do not top it up with any extra to what you have budgeted for.