Staples.com has 10-Ream Case Staples 8.5″ x 11″ Multipurpose Paper (total 5,000 sheets) for $53.99 – $5 w/ coupon code 23663 –
$44 Rebate = $4.99. Free Store Pickup or shipping is free for Reward Members (free to join).

Rebate qualifies for up to 2x cases, so additional case may be added to order for $9.99 after $44 rebate. To view rebate, click here and search 15-26265