It's the Australian dream; home ownership and a decent set of wheels parked out the front. But just as the equation on home ownership has shifted, with housing affordability being smashed, the same is happening with car ownership. The cost of owning a car, even before you start driving it, is pretty high. But new subscription and rental services, that give you access to a car, with the option of swapping out when you're bored, are emerging. So what's better, owning a car or having access to one whenever you want?