You'll struggle big time mate.
Put it like this, a company can't get Kingair drivers in Broome and are offering 100k for the job. Apparently it's not enough...
The rent for a modest dwelling will far exceed your income and with your wife probably not working, your option is a tent pretty much.
I'd buy a cheap caravan and tow it up. Or leave the mrs home and fly back for weekends every few months.
Instructing at home will be a real consideration for you or somewhere more wallet friendly.