Buy Mattress NZ: Things You Need to Know Before Buying a Mattress. A mattress is your comfort address; you need to make sure you are spending enough effort to get the best comfort available. Getting a mattress for your bed is crucial, and some people make mistakes that affect them significantly. To view the full PPT, visit here https://www.slideshare.net/TSBLiving1/buy-mattress-nz-things-you-need-to-know-before-buying-a-mattress