The four signs to look for when buying your next investment property: How you can get in before the hipsters – and maximise your returns If new cafes with hipster baristas are popping up in a suburb not far from the city, chances are it will be a good place to buy an investment property. Former inner-city working-class suburbs Newtown and Surry Hills have gentrified to become Sydney’s trendiest addresses for urban professionals and cashed-up couples with no children.