Job offer for Auckland location, some questions

1) I am offered compensation of 85000 NZ dollars/annum + health insurance + 4 weeks paid vacations. So after tax monthly compensation is approx. 5500 NZ. Now the question, is this much salary is sufficient for a couple(+ wife but no kids) with normal lifesyle(not luxurious) for living and with 2000 NZ dollar savings per month?
A: Decent housing would be at least $500 per month. Winter electric bill is always higher. Food cost vary. You may save up at least $1000 per month for sure. But remember, to setup a new house, furniture, refrigerator, car etc will cost you in the beginning.

2) Are there any other things which I should negotiate with my employer?
A. Sign up bonus to settle down. To setup a new house,  you need kitchen items, furniture, refrigerator, car etc and it will cost you in the beginning.

3) Does health insurance in NZ covers all medical tests/doctor advice? (for example during pregnancy)
A: It depends on type of insurance.

4) How's the work environment in NZ software companies?
A: It varies from company to company.

5) Are expats respected or they are treated non equal(racism)?
A: Majority of the time in Auckland you will be fine.  Overall it is very diverse environment.

6) In my situation what kind of VISA my employer would be applying?
A: I am not an expert, but it would be 2 year work permit of some sort. But apply for your PR right away after you start your job if you plan to live here longer.