Home / Sponsored StoriesSecrets of the supermarket13 Oct, 2016 03:58 PMCountdown, Ponsonby. Photo / Supplied.OtherSubscribe to listenAccess to Herald Premium articles require a Premium subscription. Subscribe now to listen.Subscribe nowAlready a subscriber? Sign in hereListening to articles is free for open-access content—explore other articles or learn more about text-to-speech.SaveShareShare this articleCopy LinkEmailFacebookTwitter/XLinkedInReddit