If you have an e-commerce business, you should purchase a UPS business account for delivery. Below we indicate 10 reasons why you should not ignore this service. USPS is known for its slowness in customer support, but you can be served by telephone out of turn and will deal with any problem. Free paper shredding services are available only to business account holders and together will help save thousands of dollars to your business. You can use the services of private mailboxes from UPS absolutely free of charge for 3 months when you register a business account.”]
Source: https://gbhackers.com/why-every-e-commerce-business-should-have-a-ups-business-account/