Pirate Ship offers great USPS discounts—up to 87% off—that help small sellers...

https://meet-wiki.win/index.php/What_Shipping_Software_Is_Better_for_5-10_Labels_a_Week%3F

Pirate Ship offers great USPS discounts—up to 87% off—that help small sellers save big on shipping. Its support is email-only, which works if you don’t need instant help. But if you want DHL Express or faster customer service, Shippo might be a better fit