Retailers frequently inflate prices before sales events to make discounts look larger than they are. Price history tracking tools show you what an item actually sold for over the past year so you can tell whether today’s price is genuinely low or a marketing move. Check price history before any significant purchase, especially around major sale events.
UK consumer watchdog “Which?” tracked 175 Black Friday deals across eight major retailers in 2025 and found that 83% were the same price or cheaper at other points in the year. Not one hit its yearly low on Black Friday itself.
Retailers call the trick reference pricing. A retailer lists an item at $130 for a few quiet weeks, drops it to $85 in November, and advertises 35% off a product that sold for $90 most of the year.
A price history chart breaks the illusion in one glance. These tools log what an item sells for day by day, so you see what buyers actually paid over the past year instead of the “was” price printed next to today’s offer. Against a $90 average, that $85 doorbuster is a 6% discount dressed up as 35%.
For Amazon, CamelCamelCamel is free. Paste in a product link to see years of price history and set an email alert for your target price. Keepa, a browser extension, overlays the same charts directly on Amazon product pages. For other stores, extensions like Karma track prices across thousands of retailers and flag genuine drops automatically.
Make the check a habit on anything over $50. If today’s price sits near its 12-month low, buy. If it hovers around the average, set an alert and wait. History also exposes timing. Many products drop on a predictable cycle, and the chart shows you when the next dip is likely. Inflated reference prices cluster around the big sale events, so the chart earns its keep most when the countdown timer is pushing you to hurry.
The sale banner is marketing. The chart is evidence. Trust the one that can’t be inflated.
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