: For USPS Priority Mail Flat Rate, you can ship up to 70 lbs domestically.
To use flat rate services, you use the carrier's specific flat rate packaging. buy flat rate postage online
: If you’re in a rush, most local post offices keep small, medium, and large flat rate boxes in stock. Step 2: Pack and Prep Once you have your box, place your items inside. : For USPS Priority Mail Flat Rate, you
This is where you save the most time. You have two main routes for buying postage online: Option A: Direct via USPS Click-N-Ship® Online Shipping with Click-N-Ship - USPS most local post offices keep small