Use cases library · 100 cards

AI Use Cases: real ways people use AI, with prompts you can copy

100 short, real examples from X, Hacker News and the press, each with a ready-to-paste prompt and, where we have one, a link to our full guide.

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Write a firm letter to a landlord about unfixed repairs with ChatGPT

A New York tenant whose building's washer and dryer had been broken for over two years got a rent rise notice. She asked ChatGPT to act like a housing lawyer and draft a reply; it cited the local rent code, and the landlord fixed both machines that month.

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Plan furniture for a new home from the floor plan with ChatGPT

On Hacker News, one user moving house said they feed floor plans into ChatGPT for layout ideas, like having an interior designer. It isn't always accurate, but it's enough to get them started.

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Source: Hacker News

Turn a messy chore list into an ordered cleaning plan with ChatGPT

Feeling overwhelmed before guests arrived, a Homes & Gardens writer gave ChatGPT her jumbled list of chores. It put them in a sensible order (tidy, declutter, dust, then vacuum, with sit-down tasks last) and explained why, which saved her time and energy.

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Design a garden bed on a budget with ChatGPT

Quoted $12,500 to landscape her front bed, a columnist gave ChatGPT photos, measurements, her growing zone and a $2,000 budget. Its seven-page planting plan was checked by a local nursery, and she finished the garden for about $2,000.

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Source: USA Today

Get a second opinion on a sick plant from a photo

One gardener sent a single grapevine leaf photo to Grok without saying what plant it was. Grok recognised the vine, diagnosed powdery mildew and gave a treatment plan, while ChatGPT said the same plant looked healthy, which is a good reason to compare answers.

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Find the right replacement part instead of buying a new appliance

When his washing machine handle snapped and a new machine would cost £300 or more, one user had ChatGPT find the right replacement part for £20, along with instructions for fitting it.

Check for a simple fix before calling out a repair engineer

A 72-year-old mum, facing a three-day wait and a £180 call-out for her washing machine, asked ChatGPT what might be wrong. It suggested a solution and she fixed it herself: it was literally a button press.

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Troubleshoot broken home appliances with ChatGPT

One homeowner says he has saved thousands over two years by using ChatGPT to troubleshoot and repair appliances that usually need expensive call-outs: both garage doors, the fridge, the dishwasher and the washing machine.

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Make up bedtime stories on request with ChatGPT

One parent who does bedtime every other night says ChatGPT is brilliant at inventing stories for toddlers, with requests like 'a crab who learns to use a computer, for a four-year-old'.

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Source: X @oao84

Plan a week of toddler meals in five minutes with ChatGPT

One parent used ChatGPT to make next week's meal plan and grocery list for their toddler in about five minutes, and said it lifted a real weekly mental load.

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Win back a withheld tenancy deposit with ChatGPT

When her previous landlord refused to return her deposit, one tenant asked ChatGPT to review the denial. It judged the reasons weak and helped her write a response, and she got her full $1,000 back.

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