Followed the instructions, link my store card, scanned every item to verify it was the correct product.The app said that it would do the rest when I checked out and give me a refund. Reached out to support, annotated everything that I should be refunded plus uploaded my receipt as proof of purchased. Apparently a receipt isn't enough proof of purchase. They wanted me to provide the "Pictures of the front of the products and barcodes." This isn't worth the trouble. I'm deleting this app.