Can I combine an FLX Cash reward with another discount? To maximize your savings on a purchase, you may use one FLX Cash reward and one coupon code (like a student discount). Related articles If I return my item, then will I get my FLX Cash (XPoints) back? Do you accept gift cards or promo codes? What are the FLX Cash exclusions? What is FLX Rewards? Can I use discount codes or coupons on new releases?