Does Clearing Cookies Lower Amazon Prices? What the Evidence Shows
The cookie trick traces back to a 2000 DVD price test. The Computerworld and ABC News reports we could open never mention cookies. Here's the evidence, what actually changes prices, and a better method.
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✓ This guide is for you if
- Want to avoid overpaying
- Are curious about the cookie myth
- Want a method that works
✗ Skip it if
- Want a guaranteed cookie trick (we found none)
- Want a predicted price (we don't predict)
- The short answer
- Where the myth comes from
- Why the price history beats cookie tricks
- What actually changes the price you see
- How to tell whether today's price is fair
- What to do instead
- Common mistakes
- Compare before you decide
- Clearing cookies and Amazon prices price reference points
- Honest pros and cons
- Before you buy
- Keep going
- FAQ
The short answer
There is no reliable evidence that clearing cookies lowers Amazon prices. The story comes from a 2000 incident, and the contemporary reports we could open do not mention cookies at all. What does move prices is better documented: who you are to Amazon (Prime or not), who the seller is, which colour or version you open, whether a coupon applies, and when you look.
Where the myth comes from
In September 2000, customers complained that Amazon charged different prices for the same DVDs. Computerworld (September 28, 2000) reported that the test covered 68 DVD titles over five days, with discounts of 20% to 40%. Amazon apologised and refunded about 6,896 customers an average of $3.10. Jeff Bezos said: "We've never tested and we never will test prices based on customer demographics," and "What we did was a random price test, and even that was a mistake."
ABC News (September 29, 2000) reported the same refund figures and Amazon's denial that the price differences were based on customer data. Neither article mentions cookies. The popular version, that deleting cookies got new-customer prices, is widely repeated, but we couldn't verify it from these sources, so we don't present it as fact.
Stop guessing. See the actual price history.
Install Zroppix and see 90 days of price for the exact listing you have open, instead of clearing cookies and hoping.
Why the price history beats cookie tricks
Prices on Amazon change constantly, so a drop after clearing cookies is far more likely to be a coincidence than a reset.
- Profitero (December 2013) said Amazon was making more than 2.5 million price changes a day. That is old, but it shows how fast prices can move.
- A Joltekon jump starter was reported at $39.99 for Prime members and $71.99 for non-Prime on the same day (Hip2Save, March 20, 2026). That is a price gap with a known cause.
- A Phomemo label maker was reported at $9.78 in August against a $35.99 list. A sale that big has nothing to do with your cookies.
Zroppix is a free Chrome extension. Open the product on Amazon and it shows the last 90 days of price for that listing, then gives a BUY or WAIT verdict by comparing today's price with that range. You can set an alert and stop refreshing the page.
What actually changes the price you see
- Prime status. The Joltekon example above shows a $32 gap.
- The seller. A third-party seller can price differently from Amazon.
- The version. Colour, size and bundle can each carry a different price.
- Coupons. A clippable coupon changes what you pay at checkout.
- Time. Prices change during the day and around sales such as Black Friday on November 27 and Cyber Monday on November 30, 2026.
How to tell whether today's price is fair
We don't publish a price chart or a predicted price for the Amazon price checking on this page, because we can't back one up with recorded data here. What we can give you is a method that works for any product, and the free Zroppix extension that applies it for you on the Amazon page.
- Confirm the exact version. Model year, size, colour and bundle can each change the price. Read the title and the variant selector, not just the headline.
- Open the price history. Use the Zroppix extension (90-day history on Amazon pages) or another tracker such as CamelCamelCamel or Keepa. Where Amazon shows its own price history link, use that too.
- Compare today's price with the lowest in the window. At or near the low is a fair price. A big "percent off" badge on its own proves little, as our guide to sale badges explains.
- Check who sells it. Amazon or the brand is safest. Compare against the manufacturer's own site, which may run separate promotions.
- Set an alert if the price isn't right yet, and decide on your own timeline. Nobody can tell you what the price will do next.
What to do instead
- Open the exact listing you want.
- Check the price history for that version.
- Compare today's price with the range.
- Check the seller and any coupon.
- Set an alert if the price isn't right.
Common mistakes
- Clearing cookies and hoping. We found no evidence it works.
- Believing a lower price proves a trick. Prices move for many reasons.
- Ignoring the seller and the version. They change the price.
Compare before you decide
If the price isn't right, or you want to compare options, these are worth a look.
Amazon's own deals page.
Check before buying: Check the history before you trust a badge.
One of the pages where we show dated reports.
Check before buying: Check the live price.
A page where a $9.78 report sat far below the list price.
Check before buying: Check the live price.
The Prime versus non-Prime example in this post.
Check before buying: Check the live price.
Clearing cookies and Amazon prices price reference points
Dated reports from named sources. The cookie claim itself is unverified.
| Date | Model | Reported price | Source | Check it |
|---|---|---|---|---|
| Sep 28, 2000 | 68 DVD titles, five-day test | 20% to 40% discounts; 6,896 refunds averaging $3.10 | Computerworld | Read it → |
| Mar 20, 2026 | Joltekon jump starter | $39.99 Prime vs $71.99 non-Prime | Hip2Save | Find cheaper → |
| Dec 9, 2013 | Amazon price changes | More than 2.5 million a day | Profitero | Read it → |
Honest pros and cons
What stands out
- Explains the myth with named sources
- Shows what really moves prices
- Gives a repeatable method
What to weigh
- Cookie claims remain unproven
- Old sources (2000, 2013)
- We haven't run our own cookie test
Before you buy
A quick checklist for this purchase.
- Confirm the exact model in the listing title and variant selector.
- Check what's included: bundle, accessories, colour.
- Open the price history for that exact model.
- Compare today's price with the lowest in the window.
- Check the seller and the return window.
- Set an alert if the price isn't right yet.
Keep going
Frequently asked questions
Does clearing cookies lower Amazon prices?
We found no reliable evidence that it does. The 2000 DVD test reports we could open do not mention cookies.
What happened in the 2000 DVD test?
Computerworld reported a five-day test on 68 DVD titles with 20% to 40% discounts. Amazon refunded about 6,896 customers an average of $3.10 and apologised.
Did Amazon charge people based on their data?
Amazon denied it. Bezos said it never tested prices based on customer demographics and called the test random.
Does incognito mode change prices?
We found no evidence it does. Check the exact listing's history instead.
Why did my price change when I refreshed?
Prices change often. Profitero reported over 2.5 million price changes a day in 2013.
Does Prime status change the price?
Hip2Save reported $39.99 for Prime members and $71.99 for non-Prime on a Joltekon jump starter on March 20, 2026.
What should I do instead?
Open the exact listing, check its price history, compare the seller and coupons, and set an alert.
See the price history instead
Open any product on Amazon with Zroppix to see whether today's price is near the 90-day range.
🛡️ See the Real Price History
The free Zroppix extension shows a product's price history and a BUY or WAIT verdict right on the Amazon page, so you can tell a real deal from a fake discount.
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How this page was made. Written by the Zroppix team with AI assistance (Claude, from Anthropic). Prices and facts can change after a page is written, so check the retailer’s own page before you buy. This page has no affiliate links. We make Zroppix and sell Zroppix Pro, a paid plan.