The problem is that when it's for work, the company now knows you have access to a car, so sends you on 20x the trips. You have no more quality time, and your physical health suffers from lack of exercise.
The car analogy has that covered already. When Guttenberg was printing bibles, those things sold like warm bread rolls - these days, printing books is barely profitable. The trick with new disruptive tech always is to be an early adopter - not the long tail.