Pirate Ship offers great USPS discounts, up to 87% off, making it a solid pick...

https://www.bookmark-step.win/pirate-ship-gets-you-usps-labels-at-up-to-87-off-perfect-if-you-mainly-ship

Pirate Ship offers great USPS discounts, up to 87% off, making it a solid pick for sellers focused on America’s mail service. Its email-only support can feel slow, though, and it doesn’t handle DHL Express shipments