You can contact them asking for a refund if that happens. They are pretty much forced to return the money or risk the chargeback. That said, I think a phone nu

You can contact them asking for a refund if that happens. They are pretty much forced to return the money or risk the chargeback. That said, I think a phone number changing owner and someone else purchasing in the exact same store within the card expiration date isn't very likely. Can happen, sure, but that's about it.