Gap takes an extra 50% off sale styles via coupon code "DOUBLE". Alternatively, take an extra 40% off regular-priced items via the same code. Plus, you'll earn $20 in GapCash for every $50 you spent. (A max cap of $120 per order applies.) Shipping adds $7, although orders of $50 or more bag free shipping. Some exclusions apply. Deal ends March 26.