Gambling involves a lot of patience, and self-confidence, but also risks. The most important thing to be able to have enough winnings from gambling and to end up with a safe and constant income from gambling is to establish very clearly everything related to the budget.
Avoid multiple gambling budgets
You only need a budget, fixed amounts of money that you will not exceed regardless of what happens in the online casinos. 10% of the amounts you have available each month will be more than enough for this budget.
Try to stick to the budget and when you finish it or see that you are losing too much, stop and see what happens. Wait until you have a new budget available again, maybe next month.