Systems and methods are described for collecting data at a merchant's point of return for use in processing a merchandise return transaction that is being requested by a customer. In various embodiments, the data may be collected using a wide variety of data collection technologies and may be used in conjunction with stored data, including data collected from other merchants, by a return authorization system to make a determination whether to accept or deny the requested merchandise return and whether to provide a coupon to the customer. The data may additionally or alternatively be used to determine whether to issue a warning to the customer about limitations on future return transactions presented by the customer. Examples of data categories that may be collected include, but are not limited to, information about: the merchant, the customer, the requested transaction, the merchandise being returned, one or more receipts, a clerk processing the transaction, and other general applicable information.