New Zealand's supermarket duopoly affects how and what we buy. Our supermarket investigations expose pricing practices, loyalty schemes, and food quality issues so you can shop with confidence and get fair value.
Latest in supermarkets
Consumer NZ says loyalty data for grocery discounts could push supermarket prices even higher
Supermarket loyalty cards might seem like the best way to get a bargain, but Consumer NZ is warning they might ultimately lead to higher prices at the checkout.
