If you can borrow anything you needed without possessing it, you gain the same benefits with fewer disadvantages. If this was a magic rental store, where most of the gear was stored "downstairs" in a virtual basement, then whenever you summoned an item or service it would appear at your command.
To a large extent, the super rich already live in exactly this manner. I would not be at all surprised to learn that Donald Trump doesn't own a car, but you can bet that when "The Donald" summons a car, one appears.
And with a few advances in automated fabrication and a lot of creative work by startups we could take this approach to a mass market. Although I think http://www.zipcar.com/ has the summon a car thing covered for the urban middle class.
This seems expensive. $50/yr + one time $25 + $70 daily? The hourly rate is cool I guess ($10) but really, standard car rental places are pretty cheap.
To a large extent, the super rich already live in exactly this manner. I would not be at all surprised to learn that Donald Trump doesn't own a car, but you can bet that when "The Donald" summons a car, one appears.