Let’s say I want to mail a 14-ounce bottle of cough syrup to my sick mom. Do I really have to wait in line at the Post Office to send it? Well, according to the USPS 13-Ounce Mail Rule, I do. However, Stamps.com customers have a way out! What exactly is the USPS 13-Ounce mail … Continue reading Understanding the USPS 13 Ounce Mail Rule