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Went wrong

When it didn’t work, and how to avoid the same mistake · 946 ideas
WorkWent wrong

I let an agent farm run a business for a week. It made $0.

He gave a farm of Opus 5.5 agents one job, make money, and mostly stayed out of it. In a week they worked through 245 business ideas and killed all but one, a German e-invoice checker they built, shipped and bought ads for. It got 68 visitors and checked 6 real invoices, and took in $0.

This one went wrong. See what happened before you try it.
WorkPartly worked

Non-engineer office worker's first the AI trial: sorting a folder of inconsistently named files by goal, not steps

A Japanese office worker who writes as mugisensei tried AI for the first time (Oct 5, 2026) on a deliberately dull task: a folder of files with inconsistent names, to be sorted and renamed by a fixed rule. Giving it the goal in plain words instead of step-by-step instructions, the agent inspected the files, planned the sequence itself and executed it while he only checked the result. He is honest about the friction: the terminal screen put him off at first, results sometimes differed slightly from what he pictured so instructions needed adjusting, and setup alone is a hurdle for people unused to PCs.

This only partly worked. Worth knowing before you try it.
HobbiesPartly worked

His training data from Strava now writes his monthly review

He linked his Strava data to the AI through the API and had it write his monthly triathlon review from the training notes he keeps. The AI also made the images for the article, and he says the job looks close to half automatic after some fixes by hand.

This only partly worked. Worth knowing before you try it.
WorkPartly worked

The AI ran his two YouTube channels overnight, and the lesson was the silent failures

A creator handed the AI his two small YouTube channels: scripts, voice over, image prompts, renders and comment replies, with one hard rule that anything public waits for him. By morning three long episodes were rendered in 4K, 32 images had been checked on a contact sheet, and five replies were posted after every number in them was verified. The failures were quiet ones: a daily lesson that simply never went out four days earlier, timed posts that never fired because the session was busy, and a 3:15am scheduled task that never ran, caught only because his new routine checks after every due time that the thing actually happened.

This only partly worked. Worth knowing before you try it.
WorkPartly worked

The AI helped me fix more than 20 websites in one night

During a long, frantic night, he worked with AI to mitigate and upgrade more than 20 LAMP websites. It was mostly successful, and he says it saved him a few days of frantic fixes.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

The AI only checked 25 emails when I asked it to scan my whole inbox

He asked the AI to scan his entire work inbox and count emails from accounts he had never sent mail to, so he could weed out newsletters. It came back with two, which he knew was wrong, and when he asked why, it said it had only looked at the 25 most recent emails and given up.

This one went wrong. See what happened before you try it.
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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.