We have had a few instances where the incorrect price was on the Cash Sale. We need to refund the price difference back to the customer's credit card. The only way I have found to not affect inventory is to issue the refund under an other charge item. The problem with that is we track sales at a product line level, so the credit is not reflected in those particular sales. So what customer service is doing is issue an RMA. Receive the items back into stock (when we really are not), that creates a credit memo. Then issue a