Pirate Ship scores big with USPS discounts up to 87% off and easy label...

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

Pirate Ship scores big with USPS discounts up to 87% off and easy label printing—but their support is email-only, which can slow things down. If you ship internationally or need DHL Express, Shippo might suit you better