Reading the Spec
Water-resistant, weatherproof and splashproof are words, not ratings
Some water claims point at a defined test with a number behind it. Others are adjectives a marketing department chose because…
Best Pro Deals — How to judge it before you buy it
Reading the Spec
Duty cycle is the number that decides whether a tool survives the job
A duty cycle states how much of a fixed period a machine can work at a given output before it must rest. It is a thermal limit…
Reading the Spec
Peak ratings describe a moment, continuous ratings describe the product
Peak, maximum and surge figures are usually real measurements taken over intervals too short to matter. The continuous rating…
Reading the Spec
Lumens are counted at the emitter and light is judged at the wall
A lumen total says how much light a source makes in every direction combined. It says nothing about where that light goes, what…
Reading the Spec
A decibel figure was measured in a room you do not have
Noise ratings on appliances are real measurements taken under standardised acoustic conditions. Almost everything that makes noise…
Reading the Spec
All reading the spec →Reading the Spec
Water-resistant, weatherproof and splashproof are words, not ratings
Some water claims point at a defined test with a number behind it. Others are adjectives a marketing department chose because…
Reading the Spec
Duty cycle is the number that decides whether a tool survives the job
A duty cycle states how much of a fixed period a machine can work at a given output before it must rest. It is a thermal limit, and…
Reading the Spec
Peak ratings describe a moment, continuous ratings describe the product
Peak, maximum and surge figures are usually real measurements taken over intervals too short to matter. The continuous rating is…
Category Guides
All category guides →
Category Guides
Vacuum cleaners: airflow, sealed suction and the leaks between them
Two different measurements describe a vacuum, and each answers a question the other cannot. What separates machines is usually how…
Category Guides
In a washing machine the bearing decides how long the machine lasts
Most washing machines are retired for one reason, and it starts with a seal rather than a bearing. Whether that ending is a repair…
Category Guides
Kitchen knives trade hardness against toughness and nothing escapes it
Steel chemistry, heat treatment and edge geometry decide how a knife cuts and how it fails. All three pull against each other, and…
Durability & Repair
All durability & repair →
Durability & Repair
Bearings are the clock running inside anything that spins
Almost every rotating product fails at a bearing eventually. What varies is whether the bearing was protected, whether it was sized…
Durability & Repair
Hinges wear out by count, not by age
A hinge that opens twenty times a day and one that opens twice do not age at the same rate. Cycle count, load and lubrication…
Durability & Repair
The cheapest part in the product is usually the one that ends it
Seals and gaskets cost very little and protect everything expensive behind them. They are also consumables, and most consumer…
What You Pay For
All what you pay for →
What You Pay For
The second-cheapest model is usually the one built for volume
Ranges are constructed so that the entry model exists to set a price and the top model exists to make the middle look reasonable.…
What You Pay For
The price curve flattens, and you can usually see where
Spending more improves a product steeply at first and then hardly at all. The flattening point is category-specific, knowable, and…
What You Pay For
What a brand name buys, beyond the badge on the front
Brand premiums are often dismissed as pure markup and often are not. Several of the things a name buys are real, and each can be…
Doing the Research
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Doing the Research
Review scores cluster near the top, and the reason is structural
Almost every product scores between seven and nine out of ten, which makes the scale nearly useless. The compression comes from how…
Doing the Research
Read a product page for what it declines to mention
Marketing pages are assembled by people who know the product completely. What they leave out is chosen as carefully as what they…
Doing the Research
The vocabulary of disclosure, and what each phrase actually admits
Sponsored, gifted, affiliate, ambassador and partner describe different commercial arrangements. Knowing which is which tells you…
Aftercare
All aftercare →
Aftercare
The setup decisions you only get to make once
Levelling, positioning, clearance and first configuration are settled in the first hour and rarely revisited. Several of them…
Aftercare
What a warranty claim actually needs from you
Claims fail on documentation far more often than on the merits. Everything required is easy to assemble on the day of purchase and…
Aftercare
Break-in periods are real for some things and folklore for others
Some mechanisms genuinely change during their first hours of use. Distinguishing those from the ones where nothing measurable…
From the archive
- The cells inside a battery pack decide more than the amp-hour numberReading the Spec
- Every category has one number that is cheap to increaseReading the Spec
- Up to is a legal phrase and it changes what a number meansReading the Spec
- An energy label rates a test cycle, not the way you use the thingReading the Spec
- Advertised weight leaves out the parts that make it workReading the Spec
- Stainless steel is a family of alloys and the grade is the specificationReading the Spec
- Cycle life depends entirely on where the maker draws the end of lifeReading the Spec
- Resolution stops meaning anything past the limit of the lensReading the Spec