New & Improved Old Navy Super Cash! Spend $25+ in-store or online and receive a code with Super Cash that you can redeem at a later date. Earn Super Cash coupons for each qualifying purchase of $25 or more within the eligible earn time period. Old Navy will remind you when it’s time to cash in. Use Super Cash like a flexible coupon. Take $20 off $50+, $40 off $100+, $60 off $150+ . The more you spend, the more you'll save! Excludes gift cards.