Wallets will be feeling a bit lighter this weekend as shoppers turn out in search of a bargain ahead of Christmas. It's estimated that £10bn could be spent in the UK over the Black Friday period, £2.5bn in a single day. Retailers like Dixons Carphone say it's a critical chance to boost their market share and provide customers with "real deals," But the chief executive of the fashion chain Fat Face has suggested it is "bonkers" to cut prices now. Anthony Thompson said his stores won't be taking part. "It's bad for customers, it's bad for business, it's bad for UK retail," said Mr Thompson."What customers are looking for at Christmas is great value for money, not make-believe promotions and fake prices, and that's often what they get on Black Friday. ome shoppers say they are weary of the custom, imported a few years ago from the United States.There's the scrum to get to the best deals, the sales gimmicks, and guilt that you've spent more than you planned. On top of that consumer group Which? has highlighted that many supposed deals may not be money-savers at all.