Shopping Tactics
Price history turns a discount claim into something you can test
A percentage off tells you nothing without a series behind it. A series turns marketing into evidence you can read yourself.
Shopping Tactics
Comparison, price history, stacking and negotiating without being a nuisance.
21 articles · updated August 11, 2026 · page 1 of 2
Shopping Tactics
Unit price is the only number on the shelf that compares like with like
Pack prices are designed to be incomparable. The small print showing price per unit undoes most of that work in a second.
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Shopping Tactics
Total cost of ownership is a comparison, not a slogan
Two prices are only comparable when they cover the same period, the same consumables and the same eventual disposal. Most…
Shopping Tactics
Stacking offers: why two discounts rarely both apply
Combining a code, a card and a promotion looks like arithmetic. It is actually a set of rules written specifically to stop you…
Shopping Tactics
Asking for a better price without becoming a nuisance
Negotiation works where the seller controls the number and has something to gain. Knowing where that is true saves everybody a…
Shopping Tactics
Price matching is a policy with edges, and the edges are the point
A promise to match any competitor sounds absolute until you read which competitors, which stock and which moment it applies to.
Shopping Tactics
The same product under a different model number
Retailer-specific variants exist to make comparison impossible. Once you know they exist, the differences are usually easy to find.
Shopping Tactics
Cashback and points are a discount with a failure rate
A reward you receive later, conditionally, through a third party, is worth less than the same money taken off at the till. The gap…
Shopping Tactics
Reading a receipt as a document rather than a formality
The slip you crumple on the way out is the record of what was actually charged, the proof of what you own and the start of every…
Shopping Tactics
Display models, open boxes and imperfect cartons
Goods sold outside their original packaging are priced on a different basis entirely, and the discount reflects specific risks you…
Shopping Tactics
Splitting one purchase across two sellers
When only part of what you want is discounted, buying it as one transaction can cost more than buying it as two.
Shopping Tactics
Comparison sites are marketplaces and their ranking is inventory
A results page ordered by price still only contains the sellers who agreed to be there, and the order is a commercial decision as…