To use flat rate services, you use the carrier's specific flat rate packaging.

: The container flaps must be able to close naturally and be taped flat. If the box is bulging or altered, the carrier may reclassify it as a weight-based shipment and charge you more. Step 3: Purchase and Print Your Postage

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

Flat rate shipping is a method where you pay a fixed price to transport packages regardless of their weight (up to 70 lbs for USPS) or destination. Here is how you can handle everything from your home or office. Step 1: Secure Your Flat Rate Packaging

: You can order flat rate boxes and envelopes for free from the USPS Postal Store . They are typically delivered to your door in packs of 10 or 25 within a few business days.

: 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.

How to Buy Flat Rate Postage Online: A Step-by-Step Guide In today’s fast-paced world, standing in line at the post office is often a luxury of time we don't have. Whether you're running a growing e-commerce business or just sending a heavy care package to family, learning to can save you significant time and money.

: For USPS Priority Mail Flat Rate, you can ship up to 70 lbs domestically.