The Gap – Save 25% off your entire purchase!! June 25, 2011 by A Proverbs Wife Leave a Comment Starting Sunday 6/26, for 1 day only, you can get 25% off your entire purchase at the GAP.com! Enter coupon code GAPPERK at checkout. If you sign up and make your purchase using your Shop At Home account, you’ll get $5 cash back after your first order plus 4% cash back!! Offer ends 6/26 at 11:59 PM ET.