Apple's trade-in page will offer you something insulting for an old Mac mini — a hundred dollars, maybe two if it's recent. Every week thousands of people take the offer, box up the best home server hardware they'll ever accidentally own, and mail it away.
Don't. That little slab has one talent no laptop and no phone will ever have: it was built to never turn off. No battery slowly dying, no lid, no fan you can hear across the room. It idles at four to seven watts — less than plenty of light bulbs — so running it around the clock for a year costs six to ten dollars of electricity.
That's the whole trick, because a server you have to wake up isn't a server.
Left on a shelf behind the router it runs Time Machine, Immich, Jellyfin, Pi-hole, Vaultwarden and Ollama at once — replacing cloud storage, a camera plan, a password subscription and chunks of a streaming bill. Four figures of subscriptions against six dollars of electricity.
The piece has the build order, the RAM truth, and the arithmetic. 👇
If it saves a mini from the trade-in box, a coffee keeps these coming. ☕❤️
