usps for ebay refers to the use of USPS services to ship items sold on eBay. Many eBay sellers opt for USPS due to its affordable pricing, especially for small or lightweight items. Services like First-Class Mail, Priority Mail, and Media Mail are commonly used. eBay also integrates with USPS to provide discounted shipping rates and automatic label printing, making it easier for sellers to manage orders. Buyers benefit from tracking and delivery confirmation for added security and peace of mind.