You can print a shipping label on eBay and send out items you've sold via standard USPS mail, or through FedEx and UPS. Here's how to do it.

How to Mail Packages Using eBay's Printed Shipping Labels. When you sell an item on eBay, you have the option to print shipping labels for the United Postal Service or the U.S. Postal Service ...

You can print a shipping label on PayPal for items you have sold on eBay or one of the many other retailers who accept the online payment platform.