In the world we live in, middle-class people buy all the cheap properties and rent them to the less well off, forcing people on low incomes out of the property market completely. At least that's my uneducated take on it.
I don't believe that is correct - the majority of private residential property across just about any price bracket is not rented.
So does anyone here...
live on a boat?
live in a caravan?
live in a tent?
live in a cave?
I don't but I did look into the boat option once on a whim - there are two difficulties with it - one is getting a decent mooring and the other is that you'll be unlikely to secure a mortgage on it. Essentially if you can afford to do it then you've likely got a big enough deposit for a flat/house anyway.