This type of courier business has become popular because it can provide a steady flow of income. These companies, like their counterparts, are involved in the order-taking, delivery-scheduling, and return-processing processes. However, they also have a few traits that set them apart from regular mailbox couriers. First, the only facility available for the latter ones is postal office space, and the company does have a physical presence there. Otherwise, the former ones work in an office setting or from home. Additionally, they have a large staff on hand so they can respond quickly to any issues that may arise during the transportation service process.