Perfectly Maintained
Because of the usage for Air Force One, it has to be in perfect condition at all times to reduce the risk of an accident. The contractors have strict rules and must follow them at all times. In fact, they check every inch of the plane and even look at the fuel.
Expensive
Air Force One is large, so it’s expensive to run. Therefore, lawmakers want presidents to stop unnecessary travel. However, most presidents don’t listen; they know they run the country and want to do what they like when in office.