block of flats

Hi there, Am thinking about trying for our first block of flats in Cairns suburbs. 4 beds on one title around 400-500k, rents around 800pwk. Having never done this before can someone please tell me: 1) is it likely we cant go above a 70% val loan? 2) are I/O interest rates higher? 3) anything...

We have a block of five flats in Brisbane, they are not strata titled. Last year our insurance increased by $400 as a result of NRMA tacking on flood coverage. The building is on top of a hill, so this is not required at all but flood coverage has become non opt-out for their building...