Checking a product before you buy — what to check, and what you cannot
How to check a product properly: same barcode, unit price, a real promotion and distance. And what a price check cannot tell you.
Tips, guides and insights on saving and price comparison

This is where we explain how supermarket prices actually work: what makes the same product cost differently at each chain, how to read a promotion without falling for it, and what you can do in two minutes before shopping to pay less. No tricks — official data and plain explanations.
How to check a product properly: same barcode, unit price, a real promotion and distance. And what a price check cannot tell you.
The identical pack sells with a 40% gap. What decides it is not which gum you bought but where you stopped to buy it.
In sweets and personal care the gap runs to tens of percent. In bread and dairy there is almost nothing to find. Here is where your two minutes are worth most.
A product name is free text that every chain writes differently. A barcode is a single identifier. That is the difference between a fair comparison and one that merely sounds right.
The chain that is cheapest on one product is expensive on the next. Why "I shop at the cheap chain" is a weak strategy, and what works instead.
A short routine you can actually keep: what to check, what to skip, and how long it really takes.
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