USPS

How to Dispute an Underpaid Package by USPS Automated Package Verification

If your package gets flagged for postage due by the new USPS Automated Package Verification (APV) system, what can you do? While this new machinery is state of the art and…
USPS

Free Guide: How To Ship To Canada With The USPS

Have you considered expanding your US-based ecommerce business to Canada? When shipping with the USPS, you will not be charged extra fees to deliver packages to Canadian destinations. If you want…
USPS

Is it OK to Mail Prescription Medicines Through USPS?

Wondering if it’s legal to use USPS to ship drugs? It’s definitely important to remain compliant with federal and state laws regarding the shipment of medicines, drugs, and controlled substances…
USPS

USPS Mailing Standards For Lithium Batteries

This article includes updates effective March 12, 2021 Shipping RegulationsWhen shipping lithium batteries, businesses must comply with U.S. Department of Transportation (DOT) standards and Pipeline and Hazardous Materials Safety Administration…
USPS

How to Ship Water and Other Liquids with the USPS

If you’re thirsty for more knowledge about shipping liquids with USPS, you’ve come to the right place. Shipping liquids requires an understanding of USPS guidelines and restrictions, including which items…
USPS

Shipping to Mexico with USPS

Did you know that 48% of all Mexican imports come from the United States? And with an expected 84.9 million Internet users in Mexico by 2019, it couldn’t be a better time for e-commerce…
USPS

Important: USPS making changes to First-Class Mail International Flats

Jan 21, 2018 Update: Stamps.com has launched a new International Flat service.  Get more info on how to ship merchandise with International Flats. Merchandise No Longer Allowed in First Class…
USPS

USPS Rules for Mailing Knives

Whether you need a good chef’s knife to carve up large cuts of beef, or a paring knife to core a tomato, knives come in handy for a variety of…
USPS

USPS Certified Mail FAQ

Certified Mail is a USPS service that gives mailers an official receipt providing poof the item was mailed. After the Certified Mail document is delivered, the mail carrier requires a…