Can I get points for purchases I made before I joined FLX Rewards? No, you must be an FLX Rewards member at the time of your purchase to earn points. Related articles I forgot to tell a store team member I’m an FLX Rewards member. Can I still get points for my purchase? Contact Us If I return my item, will I get my FLX Cash back? How do I check my order history? Does FLX Cash expire?