What’s your usual approach to supermarket shopping? Do you shop for food at premium supermarkets, or do you prefer to visit the budget chains in search of the best deals? Can you be found browsing the aisles around closing time, hoping to pick up a yellow-stickered bargain? Our supermarket shopping habits can reveal a lot about our attitudes towards money. With a significant chunk of the household budget spent in supermarkets each month, this one area of expenditure where there is a great opportunity to save some serious cash. It would appear that British shoppers are becoming savvier around their supermarket habits. New customer data from Halifax shows a 23% year-on-year increase in card spending in so-called discount supermarkets since January 2013.