For small and medium-sized businesses (SMBs), shipping is integral to the customer experience. As shipping volume increases, carrier invoices become more complex. Many business owners believe the "Total Amount Due" on a FedEx or UPS bill is final, but industry analyses estimate that 15–20% of parcel invoices contain billing errors or recoverable service failures. A parcel audit  is a valuable financial tool for SMBs. This guide explains what parcel auditing is, why it is esse