Good points! And the period since 2010 has been mostly up and to the right.

While the housing market as a whole may go up, the likelihood that any individual house will go up probably varies more.

How do you get that much leverage from a brokerage to invest in equities? In the US we have something called Reg T, which basically says brokerages can only lend at 2:1 against securities in most cases.

Even most leveraged ETFs will generally stop at 3X.