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Work and money · Live, tested in-house

A clear rent increase letter, with the notice days counted for you.

Paste your lease's notice clause, the old and new rent and your start date. Rent Increase Letter Writer counts the days on a real calendar, shows the percent increase and drafts a calm letter, plus the local rules to check before you send.

Pick a plan
Pay with card, $24.99
Basic includes
  • Bot instructions for ChatGPT, Claude or Grok
  • Knowledge file
  • Setup guide (PDF)
Plus includes
  • Everything in Basic
  • Phone and Apple tools guide
  • Routine recipes and memory setup
  • Extra skill files
Pro includes
  • Everything in Plus
  • Pages dashboards and trackers
  • Voice and image add-ons
  • Advanced workflows and full feature guide

Pay with card, Apple Pay, Google Pay or crypto (crypto on one-time plans only, not Updates). Secure checkout on Whop. Instant download. One-time plans are yours to keep; only Updates renews. All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it.

Unofficial, not affiliated with any state or city housing agency, court, landlord association or property management software, OpenAI, Anthropic or xAI.

Rent Increase Letter Writer, a cyan bot holding a calendar and a letter with a house icon
Rent Increase Letter WriterRaising the rent? Paste the notice clause from your lease and I'll count the days for you.

See it work

Demo: one real test task. Real test input, unedited output.
You paste

Letter. Maria, Unit 2B. $1,450 to $1,525 from Jan 1, 2027. Lease: 60 days written notice. Today Oct 27.

Rent Increase Letter Writer returns

$75 increase, 5.2% [L2].

60 days before Fri Jan 1, 2027 is Mon Nov 2, 2026: deliver by then [L3].

Check your state and city rules before you send. Not legal advice.

Rent Increase Letter Writer vs a plain chatbot prompt

What you get

  • Letter, Dates, Reason, Reply and Check modes
  • Notice day counting on a real calendar, with weekdays
  • Dollar and percent math for every increase
  • Honest reason paragraphs from your own numbers
  • A dated landlord file with letter structure and a check-your-local-rules list
  • 5-minute setup guides for ChatGPT, Claude and Grok projects

What to expect

Right after checkout

Whop emails your download link. Open the setup guide, paste Rent Increase Letter Writer's instructions into ChatGPT, Claude or Grok, and run your first task in about 5 minutes.

What you need

An account on one of those apps. Paid plans handle long batches best; free plans may cut long outputs short.

What it won't do

  • Send, post or pay anything without your OK
  • Promise results, rankings, income or scores

Refund policy

All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it. Email [email protected]. No forms.

Questions

Is this better than asking a plain chatbot?

A plain chatbot starts from zero every time. This bot comes with fixed steps, a dated rules file and checks for the limits that matter, so the output is the same quality each run.

Do I need a paid AI plan?

Most setups work on paid ChatGPT, Claude or Grok plans. Free plans may cut long outputs short. Each bot page lists the plan it was tested on once testing is done.

Why pay when free prompts exist?

Free prompts are a fine start. You pay for the tested setup and the knowledge file. All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it.

What if it does not work for me?

All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it. No forms.

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Get a free bot, then one useful email a week

Enter your email and we send the free Excel Formula Helper bot with setups for ChatGPT, Claude and Grok. After that, one tip per email and a heads-up when a new bot opens. Unsubscribe anytime.

Sent through Kit. We never sell your email. Open the signup page instead.

Follow along for new bots and how-tos:

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Pick a plan
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Basic includes
  • Bot instructions for ChatGPT, Claude or Grok
  • Knowledge file
  • Setup guide (PDF)
Plus includes
  • Everything in Basic
  • Phone and Apple tools guide
  • Routine recipes and memory setup
  • Extra skill files
Pro includes
  • Everything in Plus
  • Pages dashboards and trackers
  • Voice and image add-ons
  • Advanced workflows and full feature guide

Pay with card, Apple Pay, Google Pay or crypto (crypto on one-time plans only, not Updates). Secure checkout on Whop. Instant download. One-time plans are yours to keep; only Updates renews. All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it.

See the full demo and what it won't do

Trust details

One job: Rent increase letters from your lease, with notice days counted and the percent shown

Price: from $14.99 one-time. All sales are final. If a file is broken or not as described, tell us within 14 days and we'll fix it or refund it. Refund policy

Reviews: Reviews come only from verified buyers. No reviews yet.

Data: the kit runs in your own AI chat app. We don't receive your chats or files, and any connection is one you approve. How data is handled

Built by Late to AI, [email protected]