Shipping with Flat Rate Boxes is a breeze. As long as it will fit in the box, it will ship at the same price whenever possible. The boxes are provided by USPS for free, and if your shipment is going ...

Shipping costs went up on January 19 ... With rates stating at $10.10 for Flat Rate Envelopes, $10.65, for USPS Flat Rate Mailing Box, and $9.35 when using your own box by weight/zone Priority ...

Text Callout : Key Takeaways - The Cheapest Ways to Ship Packages Emails, texts and online messaging may have largely replaced physical letters, but there is only so much you can send over the ...