Buy Priority Mail Postage Online or Face USPS Rate Hike

The United States Postal Service (USPS) wants to raise prices for its Priority Mail service when purchased at the post office, while lowering rates for those who print Priority Mail labels online. The service is extremely popular among lower- and medium-volume online sellers, and last year, consumers and businesses shipped 871 million pieces via Priority Mail. The USPS filed notice with the Postal Regulatory Commission on Tuesday to change Priority Mail rates to take effect in September — right before the holiday shopping season gears up.