Hey Gigi,
well done on writing down your story. Tackling this early in your life is a wise decision.
Start by putting up as many barriers as you can so that you can’t access your money to gamble. Maybe open up a separate bank account that isn’t attached to a bank card. Transfer most of your money into that account after you pay your bills. Get rid of your credit card if you can (cut it up). Or give it to someone that you trust to hold for you. Sometimes having someone we trust know about our problem who can help us with our finances is a good barrier to gambling. It gives you time to think it through. To remember that you don’t gamble because of all the harm it will cause you.
When we stop gambling it is good to try and fill the time with other things if we can. Perhaps you need to talk to someone, a counselor who can help you work through some of the feelings.
Once we take steps to stop, and keep working on our recovery, the desire to gamble will ease, and eventually mostly go away. You will always have to be careful of the sleeping monster! But you can live a normal life!