Here is a great printable coupon that you can begin using Thursday, March 17 to save 30% in-store at Old Navy, Gap, and Banana Republic. This coupon will even works at the Gap Outlet and Banana Republic Factory Store! When you use this coupon Gap Inc. will make a 5% donation to Habitat for Humanity. This in-store coupon can be used as many times as you want through Sunday, March 20, 2011. Now if only I could find a brick and mortar Old Navy that sold maternity clothes!