The final step of the process is by far the easiest and the most enjoyable. Just sit back and watch the game and root for your square to win. The great thing about basketball box pools is that there are no bad numbers. Every set of numbers is just as likely as any other to win, which isn't always the case with football and baseball. (Anybody who has ever drawn 9 and 9 in a baseball pool can verify this!
Once the game is over, simply go the board and see who has the corresponding square and give them their money. With any luck it will be you!
Now that you know how to make your own NCAA Basketball Tournament box pool, there's no reason not to have some additional rooting interest on one of the biggest sports gambling events of the year.