Can I apply my FLX Cash reward to an earlier purchase? FLX Cash can only be used at checkout and cannot be applied after your order is submitted. Related articles I forgot to tell a store team member I’m an FLX member. Can I still get XPoints for my purchase? The item I want is marked “excluded from discount.” Can I use FLX Cash to pay for it? Can I get XPoints for purchases I made before I joined FLX Rewards? If I return my item, then will I get my FLX Cash (XPoints) back? May I use FLX Cash to buy a gift card?