The homes are designed to defend themselves when occupants leave.
One home recently sold for a record $650,000.
If you are aged 70 with a million dollar home you could get up to $308,000 per year from a little-known scheme with risks.
Multi-dollar Sydney sells for breath taking amount
The home was sold in an off-market deal.
Kirk Douglas’ home is for sale.
Real estate agent slammed online for what he thought would be "a nice gesture".
The home has been listed for $1.75 million.
Changes to strata law prevents buildings from banning pets.
The home has been listed for $USD 1.75 million.
The house was on the market for less than a month.
The home took five years to build.