retail stores take 20% off one item
via this printable coupon
. That beats our mention from three days ago (which offered 15% off one item) and it's among the best percent-off discounts we've seen from Staples. (Most coupons required a minimum purchase.) Sales tax is added where applicable. Some items are ineligible for the discount, including computers, printers, furniture, cell phones, Amazon Kindle, Barnes & Noble nook, phone cards, and gift cards. Coupon expires July 2.