THE UK's cheapest supermarket has been revealed — and shoppers could save more than £30 compared with Tesco’s Clubcard prices. Aldi kept its crown after a basket of 92 everyday groceries cost an average of £159.36 in August, according to Which? That was £30.09 cheaper than the equivalent shop at Tesco with Clubcard discounts, which came to £189.45. Lidl...