Sainsbury's customers urged to check receipts after 'technical glitch' leaves some overcharged
Shoppers were charged full price for items that should have been reduced with the loyalty scheme
Shoppers were charged full price for items that should have been reduced with the loyalty scheme
Shopping at one supermarket this Christmas could reduce shopping bills by as much as 27 per cent
The supermarket giant is look for ways to 'drive Argos' growth'