Did you know that more than $2 billion, in the form of refunds and credits, are unclaimed every year by U.S. businesses? This means that it is especially important to be aware of parcel shipping costs and how your carrier could be impacting expenses. From UPS refunds to avoiding GSR waivers, you should always make sure to stay up-to-date on ways to save. Keep reading to see some of the top ways to negotiate shipping rates with FedEx and UPS in 2021.