You may bring cash upto 10k AUD per person as cash without declaring on arrival. any amount more than that should be declared.
You can start a bank account once you reach here or even you can start online account before arrival. you need to verify your identity once you arrive here by visiting the branch.
Since you mentioned 'Middle class family' ,that doesn't really matter how you consider yourself in your home country. Different persons in same level of social hierarchy have different life styles. Also, social hierarchy is less prevalent in Australia so you may leave that mind in your home country and be ready for a new life here.
. Amount required to settle down depends on your requirements and what all you can compromise, and how long you can compromise.
Please have a look to this thread which will give you some idea. if you have any specific question feel free to ask.
@Mymon WoowwWW!!! Extreme, man! I like your kind of view. Never even thought about constructing a home back in India, leave alone the Aus. :D Thanks Brother. To settle, enjoy life, we have to explore ideas and work little bit. MD's plateform thn provide all planners in future a base to think on...
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