A big red "50% OFF" badge is one of the oldest tricks in retail. The problem is that the "was" price it is measured against is often invented — a number the product barely ever actually sold at.
Here is how to see through inflated reference prices and know whether you are looking at a real saving or just a sticker.
Distrust the “was” price
The discount percentage is only as honest as the original price it is compared to. Retailers can set a high "recommended" or "list" price that the product almost never sold at, then "discount" from it permanently.
The question that matters is not "how big is the discount?" but "what has this actually cost over the last few months?"
Check the price history
Price-history tools and browser extensions can show you what a product has genuinely sold for over time. If today’s "sale" price is the same as — or higher than — its normal price three weeks ago, the discount is not real.
A genuine deal is one that is clearly below the product’s typical recent price, not just below an inflated reference number.
Ignore the pressure tactics
Countdown timers, "only 2 left!" banners and "37 people are viewing this" counters are designed to rush you into buying before you think. Many of them reset or are simply fabricated.
Real scarcity exists, but urgency messaging is cheap to fake. Treat it as marketing, not information, and give yourself permission to walk away and come back.
- Countdown timer that resets when you reload → fake urgency.
- “Was” price you cannot find any evidence of → inflated reference.
- Same “sale” running for months → that is just the price.
Compare across retailers
The single best defence against a fake sale is to check what the same item costs somewhere else. If one shop’s "amazing deal" is another shop’s everyday price, you have your answer.
How Just Jack does this for you
Jack flags price manipulation — artificially inflated "was" prices before a fake sale — and compares the price across the major retailers in your country, so you can see whether a discount is genuine before you commit.
The short version
- The discount is only as honest as the “was” price behind it.
- Judge a deal against the product’s real recent price, not the list price.
- Countdown timers and stock counters are usually pressure, not information.
- Always compare the same item across a couple of retailers.
Common questions
How do I know if a sale price is real?
Compare it to the product’s actual recent selling price using a price-history tool, and check the same item at another retailer. If the “sale” price matches its normal price, the discount is not genuine.
Are countdown timers on shopping sites real?
Often not. Many reset when you reload the page or run indefinitely. Treat urgency messaging as marketing rather than a real deadline.