Reader Marie just sent in this tip:

PAPER FOR LESS AT STAPLES STORES!

Staples is offering a case of 8-1/2″ x 11″ Multipurpose Paper at a special price. Regular price is $42.99, but with a $4 instant savings you pay $38.99.

However, sign up as a Rewards Member at http://www.staplesrewardscenter.com/ in order to get 50 percent back in Staples Rewards, which is like getting it for $19.49.  If you order $50 or more online, you get FREE DELIVERY.

Offer ends March 20, 2010.  Valid online, in store and by phone.

Plus, you can save another 2 percent if you shop through eBates.com.