Wayfair is among three firms which have been fined £6m in total by the competition watchdog for illegally using misleading sales tactics â with some customers set to receive refunds.
The online furniture retailer was fined £4.8m for misleading customers with time-limited offers, while online electronics seller Appliances Direct was fined £1.2m for the same practice, the Competition Markets Authority (CMA) said.
Meanwhile, Gold's Gym has been fined £48,000 by the CMA for not telling customers the total price of memberships.
Appliances Direct and Gold's Gym have been ordered to refund customers a total of £440,000. The BBC has contacted the three companies for comment.
Thousands of Appliances Direct customers will receive refunds of £25 each on average while 726 Gold's Gym customers will get refunds of up to £50, according to the CMA.