You don't, of course. But owning your own car means: 1. You can leave your stuff in it and only grab your stuff when it's convenient. 2. You always have ac

You don't, of course. But owning your own car means: 1. You can leave your stuff in it and only grab your stuff when it's convenient. 2. You always have access to your car and are never stuck during high demand times. 3. You can go to places that aren't in dense population areas without either paying a premium or waiting a long time for a ride to come pick you up. 4. Potentially prestige or personal style things. It's a luxury (but so is owning a car today). If the price of the luxury is low enough, lots of people will pay it.