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Good deal
or fake discount?

Paste an Amazon link. We tell you whether it's the right time to buy.

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A real example, from our own data

A big badge doesn't always mean a big saving

A price creeps up for a few weeks. Then it drops, with a large red tag. The announced saving is calculated on the inflated price, not on what the product is really worth.

Advertised discount
-65 %
→
Real saving
-53 %

Measured against its usual price over the past 12 months.

Hefty Drawstring Multipurpose Bags, White Pine, 30 Gallon, 28 Count
18,14 $
13,20 $30,22 $47,23 $64,25 $usual price 38,82 $$$$$Oct 2025Apr 2026Oct 2026
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Fillers

The perfect filler

Short of the free shipping threshold? We find the cheapest way to reach it, and tell you when adding something isn't worth it.

Try the filler finder →
Example
Cart34,00 $ Threshold35,00 $ Shipping8,95 $ 1,00 $ to add
Toothbrush refills, pack of 4Best pick1,00 $
Hex nut1,01 $
You save7,95 $
The extension

The verdict right on Amazon

No more copying links. The price history and the verdict appear under the price while you shop. You decide without leaving the page.

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1
Three prices at a glance
The lowest and highest of the last two months, and today's price.
2
Where this price stands
The further left the dot, the closer you are to the best price.
3
The verdict in one click
Open a more detailed analysis whenever you need it.
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How we judge a price

Compared to what it usually costs

Every analysis rests on a dated chart, frozen the day it is published. You can check for yourself.

01
Twelve months of records

What the product actually cost over twelve months, not what it cost the week before the promotion

02
The hikes that come before

The increases that come before a discount

03
How often it's been beaten

How often the price has already been beaten, and by how much

What it changes for you

Know whether it's the right moment

No more guessing in front of a red tag

The verdict is plain: buy now, or wait, and why.

Stop overpaying for lack of information

A product advertised on sale at $30 that drops to $20 every couple of months shows it in its history. You just need to see it.

Stop watching prices yourself

Tell us the price that works for you. We watch, and let you know when it's reached.

What you can expect from us

Our commitments

We will also tell you when not to buy

If a price is merely fair, we say so. If the history shows it often falls lower, we tell you to wait. Our job is to save you money, not to make you click.

Our numbers come from real history

The usual price we show is computed from a year of readings. It does not depend on any seller's claim.

When we don't know, we say so

No invented verdict to fill a page. A product without enough history is not analysed.