From the USA

"Developers say that renters do not make the same price-per-square-foot calculation as buyers, and that smaller apartments — with some studios less than 500 square feet and larger one-bedrooms barely topping 1,000 square feet — will not discourage the target audience. "

See "Why Buy? You can spend tons renting"

Note that 1000 square feet is 92 sqm. You can't find many one bedrooms in Brisbane at 92 sqm. Brisbane apartments are small, and overpriced.

So buy in Florida