No wonder prices up there have gone bonkers even by US standards.
Non-primary residence of course gets fully taxed.
Then if the house you bought with the proceeds drops in value and you have to sell, you can't claim a deduction for the capital loss.
Of course all capital gains taxes whatsoever have the hidden inflation problem, where you get taxed on the inflation caused by ...
Trudeau was on record a couple weeks ago basically saying "we can't let housing prices fall. if housing prices fall, people won't be able to retire" which is a fucked up admission that there's no way to "retire" without passing debt onto the next generation.
It's not going to end well. It either falls apart in crisis / housing bubble pop, or we end up with some kind of neo-feudalist future slowly developing over the next 100-200 years.
For better or for worse.