How to Have a Great Time Gambling without Losing Your Money Gambling in a casino or pg slot online casino is supposed to be for fun, but for many people the casino is the place where some machine eats all their money, and they are broke after the first hour and have to go to the ATM to get more money. If you are not an experienced gambler it may be best to stick to the slot machines, but the fact is that the casinos make most of their money from those one armed bandits.