Hi. Hope these answers help for a start!
1. No it only has to be an accredited employer if you want a Work to Residence: Talent (Accredited Employer) visa.
2. I would check first with ANZSCO and things like the Canterbury Skills Shortage List to see whether experience is an acceptable alternative. Then I would go to Google.
3. Here's a link to the rules of the road. They got rid of the really unusual one. We did struggle with the rule that you can only park at the side of the road on the side facing the same way as the traffic flow
http://www.nzta.govt.nz/resources/roadcode/