Staples has a coupon right now for a FREE ream (500 sheets) of paper after rebate.
If you aren't aware of Staples easy rebates you can read more about them here. After you purchase your paper (don't forget to take the coupon here), just submit the information from your receipt on line here and your rebate check comes in 6-8 weeks. If you are running low on paper this is a good Staples deal to start with.
You can link here to read about Staples rewards program.
Hurry offer expires Saturday 4/10