With the Black Friday sales in full swing, this week we're asking whether the deals you see from some of the high street’s biggest retailers are actually as good as they seem?For more expert advice on how to find the best bargains listen to our Which? Money & Get Answers podcasts, just click the links below:Get Answers - "The secrets the online stores don't want you to know"Which? Money - "How to find the best deals on Amazon"And check out our round-up of the best Black Friday deals here.