This is the first self-insightful thought I’m reading from you. Well done on analysing a bit of this situation.
By no means will this be ALL that contributes to your relapses or makes you a drinker.
But this one problem, money in hand, is an easy one to handle: just give your money to your mother or anyone else who’s trusted to handle and only pay you out what you need for daily expenses.
Now what’s next? How is it looking w AA, books, podcasts, regular involvement here, therapy, journalling? You need to start working on your recovery or nothing will ever change.