Decent 812m2 block
11/04/2005 Sold Government Notified Sale (Normal Sale) Dwelling $750,000
4 x $330,000 = $1,320,000 (Edit: Looks like 4 letterboxes on Google St view)
Depending on how much it cost to reno them all, not a bad profit I guess.
But you would think a decent RE investment would...