Pirate Ship offers USPS shipping up to 87% off with easy label printing and no...

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

Pirate Ship offers USPS shipping up to 87% off with easy label printing and no monthly fees—great if you mainly ship domestic. Just know their customer support is email-only, which might slow things down