Head to your local Staples and score a ream of Staples copy paper for only a penny and 3 more for only $2.00 each. This deal is in-store only BUT you'll need to print the needed coupon from their website before you head out.
If you'd like THREE more reams for $2.00 each do this:
Buy 3 Staples 8.5×11 Multipurpose Paper Reams $7.99
Submit for $5.99 Easy Rebate for EACH ream
Final price: $6.00 ($2 each)
Buy your product and your rebate info will print at the end of your receipt. You can then enter your info online here and Voila! you're done.