Consumers had difficulty establishing whether certain promotional price tags at Coles, Woolworths and Aldi reflect a true discount on the regular price, a survey found.
Woolworths has lauded itself as an "exemplary employer" and "a model accused" in court as the supermarket giant admitted underpaying more than $1 million to about 1200 workers.
A day after supermarket bosses were questioned about price-gouging allegations and, in one case, threatened with jail time, shoppers have been warned to not expect price drops anytime soon.
An Alice Springs grape grower claims he has been forced to close his business after the standards and accreditation set by the country's two major supermarkets became "unachievable".