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.
More than 100 days into lockdown, a quarter of vulnerable people are still struggling to access food. Which? urges the government to help shielding and vulnerable groups.
Find out the best high street shops for clothes, shoes and DIY products: where should you head once shops reopen?
Find out what action Australia, Canada, Greece and the US have taken against price gouging. How does the UK match up, and what legislation is needed?