The free shipping isn't from the profit they make from their products, it's from the extra cost added to all their products that are listed online What's the d

The free shipping isn't from the profit they make from their products, it's from the extra cost added to all their products that are listed online What's the difference between the profit they make from the products, and money they make from extra cost added to the products? Isn't that just another way to define profit?