Real AI agent use cases, with sources and setup prompts

Check a rent increase against your lease and years of landlord emails

When his landlord raised rent by $400 he fed the whole lease to Grok Bot, which also built a searchable second brain from three years of their emails.

$30/mo1 hrBeginnerSource linked

Source

@Argona0x on X · 2026-10-14

Written in our own words. Credit to the original author. Link checked 2026-10-24.

What they did

When his landlord raised rent by $400 he fed the whole lease to Grok Bot, which also built a searchable second brain from three years of their emails.

Result (as claimed)

He says it found $6,200 the landlord had overcharged, which the landlord's lawyer confirmed.

Tools they used

Cost: Grok Bot: from $30/mo.

Set it up

  1. Gather the documents

    Collect statements, bills, invoices or tax documents for the period you want reviewed.

  2. Ask for an audit, not actions

    Have Grok Bot list findings, amounts and suggested next steps before it does anything.

  3. Approve each action

    Approve cancellations, disputes or payments one at a time. Never give an agent open-ended access to move money.

  4. Track the result

    Record what changed and what you saved so you can check it next month. This is not financial advice.

Copy the full setup prompt

Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.

You are helping me set up this AI use case end to end in Claude Code.

Goal: Check a rent increase against your lease and years of landlord emails
What the original author did: When his landlord raised rent by $400 he fed the whole lease to Grok Bot, which also built a searchable second brain from three years of their emails.
Reported result (as claimed by the author): He says it found $6,200 the landlord had overcharged, which the landlord's lawyer confirmed.
Source: https://x.com/Argona0x/status/2110459933854417086
Tools they used: Grok Bot
Category: Money

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.

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Guides for this use case

How to find a home or rental with AI agents · How to set up Grok Bot agents for real work · How to review contracts, leases and fine print with AI · How to build an AI second brain and personal wiki

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