To place a bet, you must deposit money at an online bookmaker or pay cash at a bookmaker.
Before that, it is advisable to set yourself a budget or a bid limit. Sports betting is fun if done responsibly, but you don't want to end up with empty pockets and a zero bank account.
Find out how much money you have left after paying off your vitals and don't go over the limit you set.
If you win you will have more games and if you lose you will have to wait until next time