Gap: 50% off + Free Shipping + 8% Cashback! December 15, 2010 by Jennie The links in the post below may be affiliate links. Read the full disclosure.Print Email Gap is having a 50% off Christmas sale right now. Shipping is also FREE with a $50 purchase! To make these deals even better, you can go through Ebates and earn 8% cashback on your purchase! Just log-in or sign-up, search for Gap, and use their link to get to the Gap website.