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Corrections are especially welcome, because an error here is rarely on one page only.
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The figures on this site come from shared maths, so a mistake tends to appear on a hundred pages at once rather than on the one you were reading. That makes a correction unusually useful: it gets fixed at the source and every page carrying it changes together. If a number here disagrees with something you know to be right, please say so.
Worth including if you can: the page, the figure, and what you believe it should be and why.
Other things people write about
- A product that should be here. Name it and say what it does that the current picks do not.
- A category we got wrong. Several categories here have no branded product worth naming and link a scoped search instead. If you know a genuine manufacturer in one of those, that is a real improvement.
- A calculator that is missing. If there is a question you keep working out by hand, it is probably worth building.
- Working with us. Brands and affiliate managers should use the partner page instead, which asks for the details we need up front.
What to expect
Messages go to a real inbox and are read. Replies are not instant, and a correction may be fixed before you hear back, because fixing it is faster than writing about it.
Your address is used to reply and nothing else. It is not added to a mailing list from this form, which is deliberately kept separate from the shopping-list signup. The privacy policy sets out what is collected.