Its a very common thing for families to do. Perhaps not such in au but through out the world alot of families split time together for work.
With 4kids and 1on the way and special needs you would certainly have your hands full. But with planning and help from those around you it could work.
A roster system for many things and can u get delivered groceries?
Do you drive? Having your own transport will make things easier.

Hugs. Its a time for talking, honesty and help.

IT isn't the kind if degree you can sit on, you need work placement quite fast. He can send cv down to agencies and get feed back, then you can talk with more ground information.

Sent from my Galaxy with the barefoot princess covering me in kisses, so please forgive the mistakes