Staples is selling off paper reams that are in an old packaging style for $1 per ream after rebate. You want to get the paper shown here, selling for $6.99 in stores. You will get a $5.99 rebate back by mail per ream. There is NO LIMIT on the number of rebates you can claim. For rebate information go here and search for SKU 554638.
Want to make the deal better? Find a Staples or Office Depot coupon and use that (they accept competitor coupons) for $1o off $50 and buy 8 reams for $55.92 - $10 coupon = $45.92 OOP and receive a rebate amount for $47.92.
If you have a Staples reward card don't for get to use that also!