Pirate Ship offers super cheap USPS rates—up to 87% off the post office—which...

https://www.slideserve.com/soltostvly/what-s-the-simplest-way-to-compare-pirate-ship-and-shippo-without-overthinking-i

Pirate Ship offers super cheap USPS rates—up to 87% off the post office—which makes it a top pick for sellers focused on USPS. But if you need DHL Express or prefer live chat support over email-only help, Shippo might be your better bet