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We read everything and reply to most messages within a few business days. The emails that improve the site most:

Corrections — a wrong figure, a dead source, a stale "Last verified" date. Include the page URL and, if possible, the source that contradicts us. We fix verified errors first, before anything else.
Calculator feedback — a real decision where the calculator steered you wrong or framed something oddly. Real cases sharpen the confidence wording.
Topic requests — an appliance or failure mode we don't cover yet. The current guides started exactly that way.
Partnerships and advertising — note that we do not accept paid coverage or placed reviews; see the disclosure page.

Please don't email repair questions about your specific machine — we're publishers, not technicians, and can't diagnose anything safely over email. For that, start with finding a good repair tech, and if anything smells like gas, leave the house and call your utility instead of us.