If they are trying to charge you unfairly (I don't know the details) the right way to address this is to fill in a credit card chargeback claim (if you paid wit

If they are trying to charge you unfairly (I don't know the details) the right way to address this is to fill in a credit card chargeback claim (if you paid with a card, obviously). Chargebacks are great to punish rogue companies. If your claim is fair, you will eventually get your money back. Furthermore, after a sufficient number of chargebacks, their credit card fees will be raised. For this reason, rogue merchants usually become a lot more helpful when you mention the c-word.