First things first, figure out how much you spend in total on gambling. This could be per week, month or year. Remember, be honest with yourself. Look at all angles of this, from sports, casino, poker, bingo. Online and offline. Everything you spend counts. Some months you might spend more or less. Best to work out the average over a period of time to see how much you tend to spend. It's easy to find out your transaction history on online betting sites, just go to your account for the rundown. Then for offline spends, take a close look at your bank statements and receipts to add up your spends there.