You can stack the following offers for an amazing deal on paper
Staples has 3,600 sheets on sale for $30 (exp 3/30)
https://www.staples.com/tru-red-8-5-x-11-copy-paper-20-lbs-92-brightness-600-sheets-ream-6-reams-carton-tr62091/product_24579067You can save 40% if you order on AutoRestock (may only apply to first time users). comes down to $18. No limit.
Staples also has an offer (exp 3/30) to get back 50% in easy rewards (staples credit) on paper products (advertised as 100 points per dollar), so you'll earn $9 credit for each case. Limit I think is on the first $1,000. Must activate offer in your account beforehand.
Chase has a targeted offer of 10% back up to $17 cashback. And 5 points per dollar on the ink.
If you can maximize all this, it's a killer