Pirate Ship nails affordable USPS shipping with discounts up to 87% off,...

https://bizzmarkblog.com/pirate-ship-vs-shippo-for-beginners-which-is-less-confusing/

Pirate Ship nails affordable USPS shipping with discounts up to 87% off, perfect for sellers who want simple, cheap labels. But if you need DHL Express or faster support than email-only, Shippo might be better