You won't get a partner sponsored visa without having evidence of living together. The basic requirement for proof of life in common is absolutely basic to INZ regulations. Extra evidence of course tends to show an ongoing emotional relationship, but the 'living together' requirement was brought in exactly because of the difficulty of judging other people's feelings and commitment to one another solely on the basis of their WORDS. Rather than leave the COs the job of judging something like an essay competition, the NZ government opted for using the provable fact of the two people having set up home in the same place.
However, you are missing the fact that the partner-sponsored work visa that you can apply for
http://www.immigration.govt.nz/migra...milystream.htm does not require 12 months' evidence - INZ take such applications seriously with around 3 months' evidence. As you will see, you can be given this visa to match your partner's student visa for length of time . You could fit this in by having your marriage as soon as you arrive in NZ, within the life of your visitor's visa.
You do not have to work, despite the name of this visa, but if you want to, or need to, you are allowed to take any job you are offered, skilled or not.
There is an element to be aware of, in that a visitor visa is expected to be used for a finite visit at the end of which the person will go back to their home country, so you will need a return ticket. Also, you will need to decide how you are going to answer the questions on the card on the plane about 'reasons for visit'. Potential workers often use this formula.
http://www.immigration.govt.nz/NR/rd...20June2014.pdf For instance, someone like you might say you are going to stay with your fiancé, and while you are here, look around, see what life is like, and decide what to do, and obviously, get a different appropriate visit if you decide you would like to stay on.
It doesn't matter where your money comes from, as long as it is in an account to which you have access.