Why is a gambler betting big? Why are they risky that much? It is because they want to earn using gambling. What do happen to people like that at the end is that they will be losing than they are expecting. These kind of people will use all their money on the gambling site and in bank or wallet to gamble until the money has all gone. Even if you do not want to gamble frequently, just be using little amount of money to be gambling. If you have time and gambling very well in some days of the week, also be using little amount of money to gamble.