k im from melbourne so ill try to answer as many questions as possible
1.id say for my family of 4 ruf $550
2. i havent checked that out
3. i guess if you get a good anough paying part time job yeah
4. no not really my friend got a part time job when he was 10 in melbourne illegal i know but thats how easy it is
5. well i live in a town outside of the city melbourne so i dont know if you can get a job in the center of melbourne
6. dont know
7. im not sure compare my prices to someone else's prices from sydney
8. i wouldn't know