Claude Code authenticates one account per machine and the desktop app holds one login at a time. Both key their credentials to a directory, which turns out to be the whole trick. Here is the setup for a separate account per client, the traps, and the part that is genuinely impossible.
An automated agent loop ran 30 iterations inside one conversation and used 62% of a day's tokens. The code reviews I was suspicious of were half a percent. Here is the mechanism, and what actually fixes it.
I have never bought a backlink, and 540 of the 559 referring domains pointing at one of my sites are spam. What the blast looks like up close, why it probably is not hurting me, and how to write a disavow file without shooting yourself in the foot.
Planning one RV travel day used to cost me about two hours in Google Maps. Handing the whole constraint problem to Claude Cowork turned that into a few minutes, and the routes are better than the ones I was building.
I had a confident theory about which projects were expensive. I was wrong four separate ways, and the thing I was rationing turned out to be one percent of the total.