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Went wrong

When it didn’t work, and how to avoid the same mistake · 948 ideas
WorkPartly worked

Build my print shop's ERP and inspection system under ITAR constraints

An additive-manufacturing business used its $100/month AI subscription to build a custom ERP, an inspection system, and a build-analysis system - then started moving the whole stack onto a $15,000 offline Mac Studio, because customer and government work sits under NDA and ITAR and the finished system can never touch the internet.

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

My writing bot sent me drafts that sounded like a fake me

Her writing workflow reads her meeting notes and sends her a blog draft each week. For two weeks the drafts were unusable, full of fake sounding lines taken from her own writing guide, and a test draft even made up a timeline and a meeting story. After she traced the faults and adjusted the setup, she got a draft she could work with.

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

Run a marketing bot tasked with growing social reach 2% a week

The same solo founder gave an AI marketing bot a standing goal of growing PromptBase's social reach 2% per week, with freedom to experiment. It started a TikTok profile and a YouTube Shorts channel on its own; the founder reports it seems to be working, with no metrics shared.

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

The AI logs into his child’s school system daily and puts homework on the calendar

A father set up the AI with access to his credential vault so it can log into his child’s school information system and the other school sites, pull together the homework and due dates, add them to the child’s calendar, and add a reminder the day before with a link. He modelled the workflow out formally and set it running daily.

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

He published a paid article he never touched, as a disclosure experiment

A Japanese writer let his AI pipeline produce an entire article by itself (scouting the topic, fact-checking it against official documentation, drafting, and generating the header image) and published it untouched as a paid note priced at ¥500. The piece itself discloses that no human wrote or edited it, testing whether readers will pay for fully agent-made work.

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.
WorkWent wrong

The AI refused a read-only network assessment tool as a cyber risk

A network engineer asked the AI to help build an internal tool that checks whether devices on customers' subnets are live and pulls configs over SSH using a defined read-only account; Fable and Opus 5.5 refused under cyber guardrails. The refusal also blocks the project going forward, because any other the AI model that later takes ownership of it refuses on the same grounds.

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.