But I'd have to use a car to get around. AAA’s 2015 Your Driving Costs study lists the average monthly ownership cost of a car at $725 per month. Plus there's t

But I'd have to use a car to get around. AAA’s 2015 Your Driving Costs study lists the average monthly ownership cost of a car at $725 per month. Plus there's the time cost: I can't read a book in the car, but I could on the train.