Gambling is very risky if you want to gamble use an extra money and gamble that you can afford to lose. You may be able to play with your own and make sure that you are not getting addicted to it. Because once you get been addicted in that game you will be able to lose all your money.
It is true that when betting you have to be prepared to lose your money. But it's quite difficult to be able to bet without addiction, that's because of human nature, namely greed where when they lose something they will try to get it back. Therefore most people are trapped in this vicious circle. In fact, if they can manage their finances and bet according to their abilities, they can earn money from their games and many people have proven this.