Gap: 25% off Fall Favorites October 18, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Now through 10/20, get 25% off fall favorites at Gap.com! Just use coupon code GAPDEALS at checkout. **Don’t forget to go through Ebates! You’ll get 8% cash back from your Gap purchases. Expires 10/20/10 at 11:59pm ET.