With RBA predicted to lift cash rate for fourth time this year on Tuesday, experts warn a fifth – or even sixth – rise would be ‘overkill’Get our new political email, free app or daily news podcastTwo or even three more Reserve Bank interest rate hikes would be “devastating” for the property market but still leave housing more unaffordable than ever as higher borrowing costs trump lower prices, experts say.The RBA’s monetary policy board is widely expected on Tuesday afternoon to a