Shipping Guides & Articles
Practical shipping knowledge for e-commerce sellers, small businesses, and logistics teams.
USPS Ground Advantage vs Priority Mail: Which Is Cheaper?
USPS Ground Advantage replaced First Class Package in 2023. Learn how it compares to Priority Mail on price, speed, tracking, and when each service makes sense for your shipments.
How Shipping Zones Work and Why They Matter
Shipping zones are one of the biggest factors in what you pay. Learn how UPS, FedEx, and USPS calculate zones, why they differ, and how to use zone data to reduce shipping costs.
UPS vs FedEx vs USPS: Which Is Cheaper?
A detailed breakdown of UPS, FedEx, and USPS rates. See which carrier wins for ground, 2-day, and overnight shipping, when USPS beats both, and how surcharges flip the math.
Free Returns Are Costing Your Business More Than You Think
Free returns increase conversions - but at a real cost most sellers underestimate. Here is how to calculate the true cost of prepaid return labels, what to build into your pricing, and how to reduce return rates without killing conversion.
What Is DIM Weight? How to Calculate It and Avoid Overpaying
DIM weight (dimensional weight) is how UPS, FedEx, and USPS price large, light packages. Learn the formula, see real examples, and find out how to reduce your shipping bill.
LTL Freight Class Guide: How NMFC Classes Work
NMFC freight classes determine your LTL shipping rate. Learn how density determines class, the most common freight classes, what misclassification costs you, and how to classify your shipment correctly.