USPS has been accepting FedEx, UPS, etc shipments for years at no charge. All it takes is an add-on piece of paperwork with your box application. You then hav

USPS has been accepting FedEx, UPS, etc shipments for years at no charge. All it takes is an add-on piece of paperwork with your box application. You then have your shipments sent to the street address of the P.O.