Staples cuts $15 off all purchases of $100 or more via coupon code "72709". That's among the best online dollar-off coupons we've seen from Staples since December, when we saw $5 off $50 or more and $15 off $100 or more with free shipping. Shipping starts at $9.95, or get free shipping on orders of $45 or more. (Free ship-to-store pickup is also available.) Sales tax is added where applicable. Some exclusions apply. Offer ends February 10.