Gap is offering a FREE $10 store coupon with no minimum purchase when you sign up for their emails featuring style news and exclusive offers! Valid towards a purchase of Gap-branded merchandise from any participating Gap, GapBody, GapKids, and babyGap retail store in the US or Puerto Rico between 12/10/14 and 12/31/14. I just signed up and received my coupon via email instantly!
Also, if you shop GAP online, you can get a $20 Gap eGiftCard when you spend $50 online and pay with Visa Checkout! Click here and scroll to the bottom for more details. Be sure to link through ebates to earn cash back on your online Gap purchase as well.