In Staples retail stores only, for its members only purchase a Staples 8.5x11" Copy Paper 5-Ream, 2,500-Sheet Case, model no. 23479, for $24.99. (Find this offer on the first page of your local weekly ad. The price may vary slightly, but it should be $24.99 or less.) After the purchase, Staples Rewards Members will get 100% back in Staples Rewards effectively making it free. (Not a Staples Rewards Member? Click here to sign up for free.) That's tied as the best deal we've seen for this Staples multipurpose paper in recent months. (For further comparison, it was 1 cent after last month.) Deal ends May 11.