Pirate Ship shines with USPS discounts up to 87%, making it great for sellers...

https://source-wiki.win/index.php/What_Should_I_Use_If_USPS_Is_All_I_Need_and_I_Hate_Monthly_Fees%3F

Pirate Ship shines with USPS discounts up to 87%, making it great for sellers focused on affordable USPS shipping. But if you need DHL Express or prefer phone support over email-only help, Shippo might be a better fit