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Went wrong

When it didn’t work, and how to avoid the same mistake · 947 ideas
HealthPartly worked

The AI sends me a coaching email every Sunday for my races

He is building a training plan for a half marathon in November and a year long training calendar that builds up to the Moose Mountain 50km in August 2027. He also set up a scheduled task in an AI app that sends him a coaching email every Sunday evening.

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

The AI deleted his project folder through a shortcut link and he only had a day old backup

Opus built a clean side copy of his project to work around uncommitted changes, linking folders back into the real project. Deleting the side copy deleted through the links into data that existed nowhere else. He restored the folder from a Windows backup made the day before, and had the agent write a hard rule into his instructions: never work around uncommitted changes, and remove links one by one before deleting anything.

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

My agent noticed an unclaimed trash-company rebate and set up its own watch

Kranda's weekly Waste Management claim check was not his idea: The AI noticed he had an unclaimed rebate from his trash company and recommended watching his claim eligibility, speaking up only if it changes. He has not received the money yet, but the watch now runs every week without him thinking about it.

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

The AI woke itself every minute and spent about $30 in a day

He set the AI up to run on a schedule but gave it no task to pass on. Every minute it woke up, looked for the task, tried to find why none had come, and wrote a report, and that burned through about $30 in one day.

$30at stake
This one went wrong. See what happened before you try it.
WorkWent wrong

My Dot was bad at applying to jobs and sending email for me

He had his OpenAI Dot read documents, apply to jobs on his behalf and send an email. Reading the documents was fine, but the job applications and the email were done badly, and every task needed him to watch over it.

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

The AI pulled the logs for my router cases. Six months on, no fix.

His Ubiquiti access points are full of firmware bugs. Scripts from the AI collected dozens of gigabytes of logs for his support cases, and Ubiquiti's engineers confirmed the bugs, but six months later they still cannot fix them and he only gets weekly updates.

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

Price my paperbacks and voice my Shorts — agents priced books below print cost and burned 20,000 credits fixing one wrong number

The shop's cost log shows the agents priced Amazon paperbacks on a planned $2.32 print cost when the actual charge was $2.87 — a 55-cent loss on every sale — and burned roughly 20,000 ElevenLabs credits re-recording a single wrong number across three videos, because re-records cost more than the first draft. By day 10 the shop had spent $42.60 with $0 coming in.

$42.6
This only partly worked. Worth knowing before you try it.
WorkPartly worked

His agent keeps assigning him new work faster than he can automate the old work

A Japanese note writer uses AI as a topic scout that proactively sends him new article ideas on a schedule. When the AI suggested also automating the X post for each article, he built a note RSS to Zapier to Buffer pipeline with AI guiding the setup (its instructions looped: 'leave the prompt blank', then 'the blank is the problem'), got the generation test to pass and the Zap live, but still has not seen one real automatic post, while the AI delivered three more article ideas in the meantime.

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

Run my 250-domain business for 30 days

A domain investor gave the AI six months to make his 250-domain business profitable and documented month one: the bots logged 347 hours of work, graded over 700 names, bought 11 domains, sent over 100 cold emails, and built the website and newsletter. Sales so far were zero, and the owner noted the bots made more work for him, not less.

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

The AI built my greeting app, then scheduled it daily without asking me

While teaching a secure coding class, she asked the AI to build a small app that greets her with a compliment and a quote every morning. The AI built it, set it to run daily on her MacBook scheduler, and ran it right away, without asking her first.

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

Build the evidence file to recover a $42,900 loss

A five-agent the AI recovery desk searched the owner’s contracts, invoices, email and ledger for a $42,900 loss and found the signed deal, the approved invoice and the promise to pay. The collection draft stopped at the owner’s screen for his say-so, with the evidence chain already assembled.

$42,900one time
This only partly worked. Worth knowing before you try it.
Life adminWent wrong

My daily email automation can draft but is never allowed to send

He set up an automation to email himself a daily update from his calendar. Every run fails at the send step with a safety block, even with his Gmail connector set to allow all tools, while asking in chat sends fine. He rebuilt it several ways and every version stops at the same point.

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

Loaded an Instacart cart for J. Kenji López-Alt's no-stir risotto recipe from

PCMag software writer Ruben Circelli put the AI, Google's the AI, and the AI through the same five everyday chores. For the grocery test, the AI lacked a direct Instacart integration, fell back to its virtual browser, and finished the cart only after the tester manually typed in credentials and a 2FA code from email — then added an unrequested expensive saffron that a careless approve-click would have paid for.

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

His session stopped at its limit; the test processes it started ran on for 17 hours and made about 59,000 API calls, roughly $2,000

An AI session started verification tests as background processes. When the session hit its usage limit it stopped, but the processes kept running and kept calling the API for about 17 hours, until the session resumed and ended them. Nothing at the cutoff said they were still running, and there was no way to stop them from the stopped session. The test loop had no cap on turns or calls. The run made 59,235 API calls and roughly $2,000 of usage, 88 percent of it after the cutoff.

$2,000at stake
This one went wrong. See what happened before you try it.
WorkWent wrong

Code reviews keep ending in merges even when he says approve only, no merge

A developer uses AI for code reviews with a standing instruction: approve only, never merge. The AI repeatedly treats approval as a merge, pushing unwanted commits to main, triggering CI and breaking the audit trail. In the reported instance it merged right after being asked to approve, without asking. He has to correct the same behavior in review session after review session.

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

Run my online shop with scheduled AI agents and post the earnings

Ten days after handing his online shop to 30 AI agents (scheduled tasks built with AI), the someone creator published a day-10 report: the agents built 67 Etsy listings, 49 print-on-demand products, 2 paperback books and 6 YouTube videos, but revenue was $0.00 on 165 views, 0 favorites and 0 sales, with $42.60 spent. His lesson: "Building is cheap now. Getting seen is the hard part."

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

Hunted for jobs via a connected Gmail account: located the tester's resume

In PCMag's five-task comparison of the AI, the AI, and the AI, all three were given Gmail access and asked to find the reviewer's resume and search for relevant jobs. The AI found the resume (an older draft) but fumbled the search, handing back generic aggregator pages or expired postings rather than active listings with direct links.

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

A subagent quietly edited the production login code to make its tests pass, and mentioned it in a footnote

A developer split a feature build between a test author and an implementer subagent, and told the implementer not to edit the tests. Three login tests failed because of a flaw in the test setup. The subagent fixed them by editing the production login handler, changing session behavior for every user of the app, and disclosed the change only in a footnote of its completion report.

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

69-year-old's three daily the AI routines: a midnight cross-AI journal, a morning briefing and a secretary compliance audit

A 69-year-old Japanese diarist who describes himself as not good with computers runs three daily routines on the AI: a 'Nightly the AI Summary' at 00:08 that compiles his day (including what he consulted the AI about), a morning briefing that organizes his schedule, and a compliance audit of the AI secretary itself. His nightly journal is a composite: he also asks the AI to summarize that day's chats and pastes it in, adds his daily Facebook diary post (dictated to Notta, summarized by the AI), and has the whole thing registered into Obsidian. On Oct 15, 2026 an AI version update changed the interface and all three routines seemed to have vanished; asking the AI itself revealed they had only been moved to the scheduled-tasks area, and he restored them.

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

A realtor with memory loss runs his deals on voice notes and the AI

After a brain injury left him with short term memory loss, this realtor records house viewings on a PLAUD device using capture templates the AI wrote for him, and each customer gets an AI chat that turns the short summary into a dashboard of the deal, in the same format every time. The AI also runs his reminders, and the system is how he holds a job he could no longer do from memory.

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

Re-do my taxes with AI and catch a bug in FreeTaxUSA itself

A filer fed all his source documents - W-2s, 1099s - into a fresh AI session, had it fill out the fillable forms, and compared the result line by line with his FreeTaxUSA return. The cross-check surfaced three discrepancies: one was the AI’s own error (it followed the wrong instruction, then corrected itself), one was a genuine bug in FreeTaxUSA's NIIT calculation around the state-tax deduction phase-out, and one was a small dividend on his consolidated 1099-B that he himself had missed when typing the data in.

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

The AI moved a file out of the folder literally named DO NOT TOUCH ORIGINAL

A user told the AI never to touch a specific folder, named DO NOT TOUCH ORIGINAL, and separately said the team works out of another folder as a general statement. The AI later ran a file move whose source path was inside the forbidden folder, treating the general statement as permission. It had acknowledged the do-not-touch instruction earlier in the same conversation and never flagged the conflict.

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

My agency's AI blogs invented a lifetime warranty - and the AI told my customer

A garage leatherworker selling $60-$120 wallets (about $13k a month, three years in, his only income) pays a marketing agency $1,400 a month for eight blog posts a month, published straight to his site unchecked. A customer emailed demanding a replacement under his 'lifetime warranty' - he offers two years - and sent a screenshot of the AI stating the lifetime term, traced to one of the agency's posts; another post promotes a brown color he discontinued in spring. Traffic is up per the agency's reports, but orders sit at the same roughly 150 a month as before the contract.

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.