Waste of time and the chance that at any moment you will deposit your own money as you going to think that you already understand the game and you find the best strategy to win. It's a worse thing that will come up in your mind instead of bringing you away from gambling. It will keep you near, and the lust and desire will overflow inside you.
Best to find other alternatives to keep yourself busy, much better than using fake money and spend time from playing using fake money.
If you think it is a waste of time playing gambling, even if it is using fake money or real money, it is better to look for other activities that will not make you lose your time.
That way, you can avoid bad things that can happen to you if you play gambling because we know the consequences of gambling.
If you have already played gambling using fake money or even real money, it is better for you to reduce your gambling activities and start doing things that can stop the mind from thinking about gambling games.
It will be better before we realize it is too late.