USPS® offers three pricing tiers:

  • Retail Pricing: What you’ll pay if you walk into your local Post Office or at USPS.com
  • Commercial Base Pricing (also known as CBP): What you’ll pay with traditional shipping software.
  • Commercial Plus Pricing (also known as CPP): The most deeply discounted shipping rates available.

Most shipping software offers either CBP or CPP rates with additional markup added on top, as well as monthly fees or per-label costs. Pirate Ship is 100% free, and all Pirate Ship accounts come with Commercial Plus Pricing® rates for all services, including Priority Mail Cubic®, with no markup or minimums.

Note that some services (such as First Class Package®) only have one pricing tier, so you may find that the rates for some services are the same no matter where you purchase them from. 

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