USPS

Flat rate shipping boxes are among the most widely used—and often misunderstood—tools in ecommerce fulfillment. They are commonly framed as a way to reduce ecommerce shipping costs. That may be…

When labeling is standardized and automated, shipping scales smoothly—when it's not, even your best carrier strategies fall apart at execution.

This guide breaks down how USPS rates actually work and where businesses overpay.

Last updated 1/18/26. USPS shipping services rates have updated. Here’s what you need to know and how ShipStation helps your business stay efficient and profitable. The United States Postal Service…

If the past few years have taught us anything, it’s that shipping challenges are inevitable and often feel endless. From peak season volume surges and carrier capacity crunches, to geopolitical…

Holiday shoppers start earlier and finish later every year. Find out which services you’ll need to use the closer we get to Christmas.

The United States Postal Service (USPS®) updates its rates at least once a year, and sometimes more frequently. At ShipStation, we’re committed to keeping you informed and providing support every…

In today’s fast-paced world, adaptability is essential for success, especially in the shipping industry. As consumer expectations rise and market conditions shift, carriers are changing how they set prices and…

In today’s fast-paced world, adaptability is essential for success, especially in the shipping industry. As consumer expectations rise and market conditions shift, carriers are changing how they set prices. fixed-rate…

Shipping costs can fluctuate, and staying informed about changes is crucial for keeping your business competitive. Here at ShipEngine, we’re committed to transparency and providing you with the latest updates…

Looking for the cheapest way to ship a package in 2025? This guide breaks down the most affordable shipping methods by size, weight, speed, and destination. Explore USPS, UPS, FedEx,…

Media Mail® remains one of the most cost-effective ways to ship educational and media materials in the U.S.—especially for books, recordings, and printed media. If you’re running a small online…

One of the hardest parts of shipping internationally is choosing from all of the great services available. While it can be confusing to know which one will offer the best rates,…

Shipping with USPS? If you’re choosing between First Class and Priority Mail in 2025, this guide breaks down everything you need to know: costs, speed, package limits, and when to…

Save the most money on shipping by leveraging carriers, how much you ship, and what software you use. Our tips are inside.

USPS Flat Rate boxes and envelopes allow you to ship up to 70 lbs with USPS Priority Mail® at one low rate to anywhere in the US. The advantage of…

Two-day shipping options are very popular. Thanks to services like Amazon Prime, many customers have come to expect an express shipping option. Even if it is not available for free,…

Finding ways to reduce shipping costs is crucial for all small businesses. There are enough expenses required to run a successful business that you shouldn’t have to worry about paying…

The USPS has announced their 2022 holiday shipping deadlines. Below are the final dates to send items to be delivered prior to December 25th, 2022. For more carriers’ deadlines, head…

USPS 2022 Holiday Peak Shipping Surcharge