Cheap flights? Check out Air New Zealand, and their daily specials at GrabaSeat, or Jetstar
Renting a car or camper? Try Share A Camper. Compare all the companies here or here
Private camping sites Campable
Catching buses around New Zealand? InterCity, Naked, Mana, Kiwi Experience, Stray
Going by ferry between the islands? Interislander, Bluebridge
Best free walks in New Zealand
A guide to recycling