Pirate Ship offers awesome USPS discounts—up to 87% off—making it a great pick...

https://quebeck-wiki.win/index.php/What_Does_Pirate_Ship_Do_Well_for_USPS_Priority_Mail_and_Ground_Advantage%3F

Pirate Ship offers awesome USPS discounts—up to 87% off—making it a great pick for sellers focused on domestic shipping. Support is just email-based, which can slow things down