rent a room around AUD100-150/week (Brisbane),including electricity ,water & internet
rent a whole house around AUD350-500 depend on the size/location of your house but you can share those cost with other classmates, but you need to pay electricity, internet, water
Breakfast+Lunch+Dinner (AUD250/week), only basic food , not 大魚大肉
you need also consider the transport cost, insurance fee
most important is the exchange rate, the rate of AUD is very high, last month is around @8.3, but today drop to @7.XX