There is a wide variety of accommodation available in NZ, with something to suit each budget or travelling mode. Travellers will be spoilt for choice. Types of accommodation include Hotels, Motels, Backpackers, Bed and Breakfast, Camping Ground, Caravan Parks, Holiday Parks, Farm Stay etc.
Booking is less important with Backpacker style accommodation.
Basically these are buildings with rooms rented out by the night. They tend to have a dining facility like a cafe or restaurant, bellboys to help you with bags etc. The price and quality depends on the type of hotel it is. There are budget hotels that provide the basic room. Some even have cheaper rooms if you share facilities.