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

https://www.emergbook.win/pirate-ship-offers-big-savings-on-usps-labels-up-to-87-off-and-free-friendly

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