Staples currently has an in-store coupon for a free ream (500 sheets) of paper after “Easy-Rebate”. All you need to do is print this coupon, take it to your local Staples and purchase the paper for $4.99. After purchase, fill out the easy rebate form online and wait for your check by mail.
I have personally never had any problems with Staples’ Easy Rebates. There is nothing to mail in like most rebates, and they tend to be processed very quickly.