Pirate Ship gets you USPS labels at up to 87% off, perfect if you mainly ship...

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

Pirate Ship gets you USPS labels at up to 87% off, perfect if you mainly ship domestically and want straightforward, email-only support. However, if you need DHL Express or want live chat help, Shippo might be a better fit