If you own or operate a business that sells physical products, you need a way to deliver those products to your store locations and to customers. In addition, you want to be able to send and receive mail between different branches of your business. All of the shipping, receiving, packing, and mailbox costs can really add up. In addition, there are time and opportunity costs to consider. That's why using a courier for you business can be one of the best things for your business.