To maximum potential profits and dollars in a mobile washing business it pays to set up in your mind in advance the best and most strategic place to park, before stopping to wash. You will obviously want to park your rig in a location that allows you to do as many cars as possible without moving the vehicle. For instance; let us say that your hose for water is one hundred plus feet but your vacuum hose is only forty feet, so if you have four cars in close proximity and one is a vacuum, park clo.