Step 1: Inflate property market, for the benefit of banks and wealthy people who own investment properties, by having your parliamentary representatives halve CGT and implement inflationary grants.
Step 2: Blame subsequent and consequent housing unaffordability on immigrants, encouraging the generation of thwarted would-have-been homebuyers to vent their anger and frustration by voting for the party that will most enthusiastically punish this handy scapegoat – the very party that enabled you to screw them over in the first place.
Step 3: Profit.
And the more you benefit from Step 1, the more your allies in the Liberal Party benefit from Step 2! You help them, they help you! Everybody who matters to you wins!