Find out how Bookshop.org, an independent online bookstore set up to rival Amazon, works - plus how to support indie makers and small shops this Christmas.
When is a deal not a deal? Which? tracked Black Friday prices for six months before and after last year's sales, and found most discounts aren't all they seem.
Which? reveals the cheapest UK supermarket in October 2020. Aldi and Lidl vs the 'big four': where can you save the most on your groceries?
Which? has researched the best month of the year for John Lewis sales - and you might be surprised by the results.
Which? reveals the cheapest UK supermarket in August 2020. Aldi and Lidl vs the 'big four': where can you save the most?
Ocado will start selling M&S products instead of Waitrose in September - but will this make your Ocado grocery shopping cheaper or pricier? Which? investigates.
Our latest investigation has revealed that there continues to be a thriving market for the trading of Amazon reviews on Facebook. What about eBay?
Analysis by Which? shows fuel prices, even at supermarket petrol stations, were too high during lockdown. How can you spend less on fuel?
Which? reveals the cheapest major UK supermarket in June 2020, based on pricing analysis of 175 grocery and household items.
We've had nearly 1,500 entries to our price gouging reporting tool, including inflated prices on Amazon, Chemist-4-u, eBay, UK meds and in local stores.