Black Friday shoppers should be wary of deals to avoid being ripped off, a consumer group has warned.
Nine out of 10 Black Friday offers are actually cheaper or the same price at other times of the year, according to research by Which?
Black Friday originally marked the day after Thanksgiving in the US and the start of the US Christmas shopping season.
However in recent years the sales have extended into the weeks before and after, with Cyber Monday driving millions in online sales.