Purcahse a 20 Pack of AA or AAA Duracell Batteries for $12.99 and you can get $12.99 back in Staples Rewards!
Make sure you are signed up for Staples Rewards. There is a limit of 2 rewards per person.
With Staples Rewards, you will pay up front for the item and then you will get mailed a check to be used again in-store. The checks are sent each month.
