How to Check if a Black Friday Deal Is Real With AI
By Chatday Editorial Team ·
The robot vacuum has been sitting in your cart since Tuesday. On Black Friday morning the page changes: a red banner, a crossed-out price of $499, a new one of $299, and a little timer counting down from 3 hours 58 minutes. Forty percent off. Your thumb is already over the button.
Then a small, annoying thought shows up. Was it ever actually $499?
That question is the whole game this year. Black Friday lands on November 27, Cyber Monday on November 30, and between now and then you’ll see hundreds of crossed-out prices. Some are real bargains. A lot of them are just the normal price wearing a costume. You can tell the two apart without opening ten tabs. One good question to an AI that can read the web does most of the work.
What a crossed-out ‘was’ price is supposed to mean
In the US, the rules on this are older than the internet. The Federal Trade Commission’s Guides Against Deceptive Pricing say a “former price” only counts if the item was genuinely offered at that price, openly and in good faith, for a reasonably substantial period of time. The FTC’s own example is a shop that bumps pens from $7.50 to $10 for a few days, then advertises them as “Were $10, Now Only $7.50!” The guides call that a false bargain, because $7.50 was just the regular price all along.
The catch is that “reasonably substantial” is vague, and a shopper standing in front of a countdown timer has no way to see the price history. Retailers know that.
How often does it actually go wrong? The best long-running evidence comes from the UK, where the consumer group Which? tracks Black Friday prices every year. In its latest study, published in November 2025, it followed 175 appliances and gadgets at eight big retailers for a full year around the 2024 sales. The results:
- 83% of the “deals” were the same price or cheaper at some other point in the year.
- Not one was at its lowest price only on Black Friday.
- One Oral-B toothbrush advertised as “save £25, RRP £50” was the same price or cheaper for more than 96% of the year. The £50 price had applied for just 13 days in the six months before the sale.
That’s British retail, so don’t read it as a precise forecast for your favorite US store. But the pattern is the point. A big percentage off tells you almost nothing on its own. What tells you something is the price the item has actually been selling for, and what other shops are charging right now.
That’s the part AI is surprisingly good at.
Why more shoppers now ask AI before they buy
You won’t be the only one doing this. Adobe, which tracks visits to US retail sites, found that clicks from AI tools through to shops rose by about 693% during the 2025 holiday season compared with the year before, while noting the total number of people doing it was still modest. For this season, Adobe’s September forecast expects that AI-driven traffic to grow another 130%, with the biggest jumps around Thanksgiving and Black Friday.
The reason is simple. An AI search tool reads the store pages, review sites and price listings for you, then gives one answer with the sources listed underneath. You still make the call. You just make it with more than a red banner to go on.
How to check a Black Friday deal with AI in five minutes
Back to that vacuum. Here’s the routine, start to finish.
Step 1: Pin down the exact model number
Deals often hide behind similar names. Two vacuums with nearly identical titles can have different batteries, different bases or different years. Scroll to the product details and copy the full model number. If it’s buried in an image, take a screenshot and ask an AI to read it out for you.
Step 2: Ask AI search what everyone else is charging
Paste the model number into an AI search tool with a prompt like this:
If three other stores are selling the same model for $299 or less, the “40% off” banner is just the going rate.
Step 3: Test the ‘was’ price
Now ask about the crossed-out number directly.
That last sentence matters. You want the AI to admit when the evidence is thin, not to fill the gap with a confident guess. We’ve covered why AI sometimes makes things up, and a price you can’t trace to a source is exactly where that risk lives.
Step 4: Ask whether it’s worth buying at all
A real discount on a bad product is still a bad buy.
Step 5: Decide, then let the timer run out
If the price is the lowest you can find and the reviews hold up, buy it without guilt. If not, close the tab. Which? found that more than a third of the products it tracked got cheaper after the sales ended, so walking away is rarely the costly move the countdown suggests.
What AI can and can’t tell you about a deal
AI search is a fast research assistant, not a price oracle. Here’s where it helps and where you still need another tool.
| Question | Can AI search answer it? | What to watch for |
|---|---|---|
| What do other stores charge today? | Yes, usually well | Prices change hourly on Black Friday. Click through before you buy |
| Is this the exact same model? | Yes, if you give it the model number | Similar names can hide different specs |
| Was the ‘was’ price real? | Partly | It can find clues, but not a full day-by-day price history |
| Is the product any good? | Yes | Ask for sources and look for patterns, not one glowing review |
| Are the reviews fake? | Only hints | A flood of vague five-star reviews posted in the same week is a warning sign |
For a proper price history chart, a dedicated price tracker still wins. The two work well together. Use a tracker for the history and AI search for everything else.
On reviews, there’s one more thing worth knowing. Since October 2024, the FTC’s rule on consumer reviews bans fake reviews outright, explicitly including AI-generated ones, and lets it seek penalties from companies that buy or fake them. That doesn’t mean every listing is clean. It does mean asking an AI to summarize reviews from several independent sites gives you a better picture than the star rating on a single page.
Where an AI deal check pays off most
Best for big-ticket electronics
TVs, laptops, headphones and robot vacuums are where model-number tricks and inflated “was” prices hurt most, because the gap between a real deal and a fake one is measured in real money, not cents.
Best for gift lists
If you’re shopping for six people, ask the AI to price-check the whole list in one go and flag anything that isn’t actually discounted. If you haven’t picked the gifts yet, start with our AI prompts for finding the perfect gift, then check the prices.
Best for ‘is this even worth it?’ moments
Sometimes the better question isn’t the price but whether you need the thing. An AI won’t judge you for asking it to talk you out of a purchase. A model like Gemini 3.8 Flash is quick for price checks, and a stronger reasoning model like GPT-6.1 is good at weighing reviews and alternatives. In Chatday you can switch between them in the same chat.
The vacuum is still in your cart, and the timer is still ticking. Copy the model number, paste it into AI Search with the first prompt above, and you’ll know in about a minute whether that $299 is a bargain or just a Tuesday price in a red banner.