One more, hinted at but not explicit in your list: The variation in task requirements for a vehicle is high, so it is economically efficient to buy a single ve

One more, hinted at but not explicit in your list: The variation in task requirements for a vehicle is high, so it is economically efficient to buy a single vehicle suited for as many tasks as possible. If you can acquire a limited vehicle for a much lower price (including parking, safety, and other externalities) it can be useful to do so -- but the limited vehicles are generally too expensive.