You have to hand it to the HIA, they really know how to rally the troops and get houses built. Sorry if you don't know what I'm talking about, but it was mid-March in WA, when the HIA offered the sobering news that a cardboard box (hopefully freezer sized) would be the home to many a Perth family by 2020. Western Australia would be 72,500 (glad they got it down to a round number) houses short by 2020 and as it stood, they were already 17,400 short back in March. It was clear something had to be done, and the HIA, in a benevolent act of kindness, rallied its WA members and they started putting up houses faster than a bunch of Jehovah Witnesses putting up a Kingdom Hall. Eight months later, problem solved. The Perth housing market was already oversupplied by 30 per cent, with prices sluggish. Unfortunately we also found out, courtesy of REIWA head, David Airey, this was bad news for buyers. Because in the Bizarro world of real estate, when interest rates cool things off...