Cook at home 5 nights a week. Eating out in Australia costs 3 to 4 times more than groceries for the same meal.
Get a prepaid transport card when you arrive — top it up weekly so you always know what you're spending.
Buy a $30–$40 prepaid SIM from Woolworths or Coles on arrival — works from day one.
Facebook Marketplace and Gumtree are your best options for second-hand furniture and kitchen items.