Usps Priority Mail Flat Rates 2024. Priority mail flat rate ® products let you ship packages up to 70 lbs to any state at the same price. With these new rates, the maximum discount available for priority mail compared to the retail pricing you'd pay at.
However, usps will increase merchant discount prices for usps ground advantage and priority mail® services on july 1, 2024. With these new rates, the maximum discount available for priority mail compared to the retail pricing you’d pay at.