Like a needle in a haystack, positive cash properties are rare especially for Melbourinans and Sydney, they aren't even aware it exists. If you look at these properties from a different angle you will find many.
1) Capital Growth
People think Positive cashflow properties has no capital growth
But it's wrong. If you do proper research, buy in the right place at right time, there is no doubt it's going to get enough growth in the first 5 years
You can get positive cashflow property and capital growth of at least 5 percent nowadays
2) Location
Never buy in location where it totally depends on just one Industry
For example Mining towns, or Just tourism jobs
3) Buy Below Market value
Yield is calculated Rental returns divided buy Purchase price
To get higher returns, either you should get more rent or you should buy LOW
Also Look for Tax depreciation, and value add options like renovation option, subdivision option. There should always be many options, which will give you peace of mind.
Bonus
3 keywords to look when searching for positive cash flow property
Yield
Positive
Dual key
granny