Agreed. It seems like the "right" thing to do if you're running a personal taxi service is to buy a reliable used car in the high tens of thousands of miles, an

Agreed. It seems like the "right" thing to do if you're running a personal taxi service is to buy a reliable used car in the high tens of thousands of miles, and then drive it until it dies. Buying a new car -- you'd have to make thousands of dollars more per year to justify the depreciation.