You also have to account for any costs incurred between fares. Labor costs during down time, mileage accumulated between dropping off one fare and finding the n

You also have to account for any costs incurred between fares. Labor costs during down time, mileage accumulated between dropping off one fare and finding the next one, etc. Not saying there aren't any inefficiencies or that there isn't established-player protectionism at work, just pointing out that a lot of the cost estimates floating around in this thread are clearly hugely inaccurate.