You haven't mentioned children in your post, which would make a difference to what types of assistance you may be able to claim. If you have none and either of you get a job then you will get nothing. If, after a while, you find yourselves unable to get any work at all then make an appointment with Centrelink and talk to them about making a claim, bearing in mind that you would have to be open and honest about all of your assets and income anywhere in the world. Based on what you tell them, and them checking out your claim, they will in time let you know if you are entitled to anything and exactly what you will get.