The cheapest supermarket for your weekly shop has been named with savvy shoppers saving nearly £45. Researchers from Which? took the same list to Tesco, Asda, Sainsbury's, Morrisons, Aldi, Lidl and Waitrose - and even worked out the cost online from Ocado.
To reach its conclusions, Which? researchers looked at the cost for a trolley of 85 items - including groceries and household essentials - every day in July.
It then averaged out the cost to try and take account of any special offers running at different brands. And the gap in prices between them was huge, with some shoppers spending 56% less on their weekly shop at one popular supermarket.
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