Pirate Ship stands out with USPS discounts up to 87%, making it a savvy pick...

https://juliusrcmr338.theburnward.com/what-does-pirate-ship-do-well-for-usps-priority-mail-and-ground-advantage

Pirate Ship stands out with USPS discounts up to 87%, making it a savvy pick for heavy USPS shippers. However, if you need DHL Express or prefer live support over email-only help, Shippo might be a better fit