You have to gamble with real money so you are welcome if you have money. Moreover no one will force you to gamble it is your freedom base so you should gamble according to the amount of money. Don't take a loan from anywhere to gamble otherwise you will lose your money twice. On the other hand gambling is a fashion for rich people so don't compare yourself with them. Also if you are more addicted to gambling then you can play with less money and find a gambling site, where there are facilities of small money deposit and betting.
Betting with a small amount of money is less risky gambling depends on luck but does not affect the person much. Rich people have a lot of property they usually play for entertainment and lose but it does not affect them lower class people are financially affected. This phase is life altering when normal life is disrupted due to gambling addiction. Casino or any other form of gambling is never guaranteed enough income for the player if he loses he plays to recover the lost money if he wins he plays to win a bigger prize.