-Oversupply from developers
-Alot of cheap homes supply from gomens
-Many resell below launch price
-Many goes to auction
-Even subsidized homes goes to auction
-People are no longer stupid to buy overpriced
-Income no increase

All this never happen like crazy at the same time before. Btw what do u meant the 'future'? 10 years? Yes goes up, a little, but nothing like in 2012.