USPS Retail pricing is the rate you receive as a regular customer at a Post Office retail location or USPS.com Click-N-Ship. Retail pricing does not include discounts on postage prices.
What is Commercial Plus Pricing?
What are the ShippingEasy Starter Rates discounted pricing?
What rates are available from USPS Click-N-Ship?
What rate does ShippingEasy offer on USPS shipments?
ShippingEasy's USPS Rate tables