Buying Guides
Ranked, tested roundups. We tell you where the diminishing-returns curve flattens so you can stop spending.

Suction numbers are the most over-quoted spec in this category and the least predictive of whether you'll still be running the thing in…

Most of this market is a prompt template with a subscription attached. These five earn the line item.

The thing that kills a kids tablet isn't a drop. It's the parent giving up on the controls in week two.

Most regained weight comes back after people quit the plan, not while following it. So we compared the things that decide quitting: pri…

The square-footage number on the box is calculated at an air-change rate you don't want. Here's how to size one properly.

Wobble at full height is the spec nobody publishes and everybody notices. Here's how to read around it.

Firmness ratings are marketing. Trial length and return logistics are the specs — because you will not be re-boxing a queen alone.

A watch that needs charging every night doesn't track your sleep. Battery life is the spec that decides what the rest of the specs are …

Watt-hours tell you how long. Continuous watts tell you whether it runs your fridge at all. Most people read the wrong number.

Resolution is the least interesting spec here. Whether you can retrieve the footage without a monthly fee is the interesting one.

What we found this week
One email, every Thursday. The research that changed our mind, the spec that turned out to be marketing, and the one thing actually worth your money. No sponsored slots, ever.
By subscribing you agree to receive our weekly email and to our Privacy Policy. We collect only your email address, use it solely to send this newsletter, never sell or share it, and you can unsubscribe from any email in one click.