Most Black Friday 'deals' cheaper at other times, says Which?

Consumer group warns shoppers to do research in order to bag the best bargains• When is a deal not a deal? The smart shoppers’ guide to Black FridayShoppers are being warned to do their research ahead of Black Friday after it emerged that nearly nine in 10 “deals” available last year had been even cheaper at other times.Consumer group Which? tracked the prices of 94 popular products, including TVs, cameras and fitness trackers, on offer over Black Friday 2017 from six mont