Is it possible to spend daily expenditure by gambling money? I think this is not possible. If you play gambling, the loss is more than profit. But yes, many people can play gambling very well and they can earn a lot of profit. But I would say gambling is never a profession. So it is better not to earn money by playing gambling. Gambling should play just for fun. You should not spend your pocket money with gambling money.
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Don't listen to anyone that tells you that you can depend on gambling to make a living. Only a fool does suhc a thing. You don't put your hope on something that you're not sure about, you're just playing a game of chance for money, and you're not even sure if there is going to be a win or not, so you're taking a very big risk.
I do know that there are people that have made a huge win from gambling, but it is based on the luck, same way there have been who have lost all they have. So I will advise you to get a real job and then you can play gambling for fun. And by the way, if you don't have money you cannot play gambling, so you need a job to earn money.