I sold my car a couple of months ago. I have been using uber every day to travel to work. Otherwise, my wife and I use her car to get around on the weekend. I am amazed at how many people tell me that this is a mistake and that it is cheaper to get around with your own car. What amazes me, further, is that these people haven’t crunched one number. Yes, not one number. They base their beliefs on preconceived ideas and not evidence.

Well, I crunched the numbers and in my personal circumstances,...