Up to a third of loyalty offers at Tesco and Sainsbury’s are “not all they’re cracked up to be”, watchdog Which? has warned, as it urged the competition watchdog to investigate supermarket dual pricing.
The consumer group analysed 141 Clubcard and Nectar card prices at Tesco and Sainsbury’s, tracking them back six months to find that around a third (29%) of the member-only promotions were at their so-called “regular” price for less than 50% of the six-month period.
