
Before you buy what an AI assistant recommends, check who benefits from the pick, how recent its data is, whether it fits your real constraints, whether the price and stock hold at a US retailer today, and what the strongest case against it is, a routine that takes about two minutes.

UK online buyers get a 14-day cooling-off period from the day after delivery and a 30-day right to reject faulty goods, while Christmas return windows at retailers such as John Lewis, Next and GHD are voluntary, dated and worth checking on the retailer's own page before you buy.

Starting October 5, 2026, 14 categories of new household appliances and electronic devices purchased in Quebec will be repairable free of charge for 3 to 6 years from the date of delivery, which changes the value of extended warranties and the way you should compare your holiday purchases.