Shopping at Nike.com
1. Stackable The Codes - Nike.com comes out with a variety of coupon codes, where many times you can use more than one on a single order to maximize savings.
2. Newsletter Signup - Nike.com will consistently send out newsletters where you can find free coupon codes to save on your order.
3. Buy a Discounted Gift Card - There are a few places online, such as GiftCardGranny.com, where you can buy discounted Nike.com gift cards to save money on your order.