For any rental properties, if tenants is in then you are almost guarantee the same level of rental until they or you chose to ask them to move out.
To secure rental for next 6 to 12 months, just have another lease signed by tenants when existing one is finished. this will also mitigate the risk with possible vacancy.
Another element to assist with building a buffer is that the benefits of tax refund due to negative gearing. Any refund set aside will help with cost and more importanly build a buffer should the unexpected costs arise.
With good planning and a touch of luck, the property should become + casflow in 2 to 3 years.
