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The AI ran my side blog and X account for 90 days. It made ¥31 a month.

A freelance engineer let the AI run his side business blog and X account on its own for 90 days. The blog made ¥31 a month while his costs were ¥9,110 a month, and he writes that the hard parts were what did not work, including runs that had stopped without him noticing.

This one went wrong. Read what happened so you don’t hit the same problem.

How it works

  1. Set the AI up to run the blog and X account automatically, Ran it for 90 days and tracked the real numbers, Found places where it had stopped while looking fine, and fixed how it runs, Wrote up the failures and the rules he added after each accident

Why it’s worth knowing

The agent really did run a small business alone for three months. The result was honest and bad: ¥31 a month in, ¥9,110 a month out.

Where it’s from

Summarized from a public post on zenn.dev. See the original ↗

Upgraded prompt

A ready-to-use prompt for this idea, built from research on what makes AI agents do the job right: who the AI should be, the exact steps, and a check to make sure it was done the way you wanted.

1Who the AI should be
2The prompt, with the steps
3The check when it’s done
Upgraded prompts are coming soon.

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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.