Well I cant speak about the Employees at Joe's Specifically, but it is mostly the care for your vehicle and your over all experience with the service. Most people who work at a car wash are there just for a job that will hire anyone. A car wash typically is just after a high volume of quick in and out sales. At a detail shop, the detailers are constantly trying to learn and grow their knowledge about proper car care, and typically a details shops bottom tier packages are in line with most car washes top tier packages.