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How to automate shopping, deals and bills with an AI agent

I looked through 126 real cases about shopping, deals and bills and pulled out what people actually did, the prompts they used and the places it went sideways. No theory, no invented success stories.

What people actually do

• Negotiate a car purchase between dealers · OpenClaw · Shopping
  Case study takeaway: AJ Stuyvenberg ran OpenClaw with access to his email and browser. It researched Reddit prices, searched dealer inventory within…
• Negotiate bills, handle returns and cancel subscriptions · Meta Muse · Shopping
  Muse challenge lore from Meta folks: AT&T bill talked down, Amazon returns queued, IKEA furniture sent back, vet claim filed, dusty book-club sub…
• Cancel an Amazon subscription and get a refund · Codex · Shopping
  From the linked report, someone asked Codex to obtain a refund for an Amazon subscription. Codex navigated the account settings to cancel it, then…
• Draft a refund demand for an unauthorized renewal · ChatGPT · Shopping
  Linked example of draft a refund demand for an unauthorized renewal. After Skillshare charged a $24 annual renewal the poster says they had not…
• Diagnose a check engine light by ordering an OBD2 scanner · OpenClaw · Shopping
  Dash light on, OpenClaw on the case: Amazon OBD2 scanner ordered from the car, codes read, sensor blamed, light cleared. DIY path beat a dealer…
• Find cheaper car insurance · Meta Muse · Shopping
  Case study takeaway: startup founder Joseph Devoy Leaned on Meta's Muse agent, launched September 8, for car insurance. Meta's pitch is to prompt…
• Chase an airline refund dispute · Custom agent · Shopping
  Observed in the wild: user handed the full $1,200 flight refund dispute to the Instinct agent after two months of airline silence and stall tactics.…
• Weekly meal plans with grocery carts · Meals You Love · Shopping
  A meal-planning product generates preference-based weekly plans and pushes ingredients into grocery carts.

Browse all 1081 cases to see the rest.

Prompts to start from

These are the reusable prompts from real cases. Swap in your own details, run it once on something low-stakes, and read what the agent did before you trust it.

Shopping task: negotiate a car purchase between dealers. Collect order/policy details, prepare exact steps, and pause before submit or payment.

Review my bills, subscriptions, and open returns. Draft negotiation or cancellation scripts and return steps; pause before any call, chat submit, or confirmation that spends or cancels.

Tools that show up most

Custom agent (29), Claude (16), Grok Bot (15), Meta Muse (12), ChatGPT Agent (9), OpenClaw (8).

Guardrails

Ask the agent to stop before checkout and show you the final basket, price and delivery date before you confirm.

More mess: the AI agent fails page. Related: the prompt library.