Gap: 20% off Your Entire PurchaseFebruary 14, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Wow! Gap is offering a great promotion through February 16th! Just use coupon code GAPLOVE at checkout to score an additional 20% off your entire online purchase.**Go through ShopAtHome first and get 8% cash back.