Save 2-7% on FedEx and UPS! Every package has an on time or it's free guarantee (even Ground); we help enforce it. We also go after refunds for other common billing mistakes like duplicates and non-shipments. See our full list of refund types. Refund Retriever audits your invoices for late delivery, duplicate charges, and surcharge mistakes. We offer a suite of full reports to give insights into discounts and shipping activities and potential money-saving opportunities. We can also help lower your freight LTL spend with our rate shopping tools. (less)