Pirate Ship nails it with USPS rates up to 87% off and easy-to-use shipping...

https://telegra.ph/What-Should-I-Use-If-USPS-Is-All-I-Need-and-I-Hate-Monthly-Fees-07-27

Pirate Ship nails it with USPS rates up to 87% off and easy-to-use shipping tools, perfect for sellers who want simple, affordable labels. But if you need DHL Express or prefer live chat support (rather than email-only), Shippo might be your better match