the next big concern is ensuring that the product reaches them in a timely and secure manner. This is where carrier services come into play. A carrier is any company responsible for the transportation and delivery of purchases from the retailer to the customer. Some of the most popular carriers in the U.S. include <strong>USPS</strong>, <strong>UPS</strong>, <strong>FedEx</strong>, and <strong>DHL</strong>.</p>
<h3>How Carrier Services Work</h3>
<p>When a retailer ships a product, it is assigned a unique tr