Problem Pack for money and bills
Unpaid Invoice Chaser
Get an unpaid invoice paid. It writes polite to firm reminders, works out late payment interest and covers the letter before action and small claims.
Works for: UK, EU, US, Canada and Australia
See it in action
An example. The situation is made up to show how the pack works.
The situation
You are a freelance photographer in England. A small company owes you £1,850 for a product shoot. It is 15 days overdue, and a reminder and a call got no payment date.
It asks you, for example
- Which country you and the client are in
- Is the client a business or a person
- Invoice amount, invoice date and due date
- What you have sent or heard so far
Subject: Final reminder: invoice 2026-031, £1,850, 15 days overdue
Hello,
Invoice 2026-031 for £1,850, for the product photography delivered on 18 September, was due on 15 October. It is now 15 days overdue. I have not had a payment date after my reminder of 17 October or my call to your accounts team on 22 October.
Please pay £1,850 by 6 November 2026.
If it is not paid by then, I will claim statutory interest under the Late Payment of Commercial Debts (Interest) Act 1998, plus £70 fixed compensation, as the law allows for business invoices.
Bank details: [YOUR BUSINESS NAME], sort code [SORT CODE], account [ACCOUNT NUMBER].
Kind regards,
[YOUR NAME]
If it stays unpaid, it writes the letter before action, then guides the online money claim after checking the client is solvent.
A skill for Claude, ChatGPT, Gemini, Grok or Copilot, or a text file for any AI chat, that turns your AI into a credit controller for your unpaid invoice.
It asks about the job, the invoice and what you have sent so far, tells you honestly how strong your position is, then writes each message in order, from a friendly nudge up to a letter before action (the formal final warning before a small claims court).
What you are buying
- A step-by-step plan to chase a business client who has not paid
- Reminder emails, a call script and a letter before action
- A way to work out late payment interest where the law allows it
- Works in ChatGPT, Claude, Gemini, Grok or Copilot
- Legal advice, or a lawyer who can file a claim for you
- A debt collection agency
- A way to pressure people with threats or public shaming
- An app, a login or a subscription. You pay once.
The message most people send, and the one this pack writes
Subject: Invoice Hi Mark, Sorry to bother you again but I still haven't been paid for the work I did. It's been ages now and I really need the money. Could you please sort it out as soon as you can? Thanks, Liam
No invoice number, no amount, no date and an apology, so it is easy to put off again.
Subject: Final reminder: invoice LM-207, £2,450, 18 days overdue Hi Mark, Invoice LM-207 for £2,450, for the March brand photography, was due on 2 April and is now 18 days overdue. I've attached it again, with your sign-off email of 27 March. Please arrange payment by Friday 1 May. If it isn't received by then, I'll add statutory interest and £70 compensation under the Late Payment Act and send a formal letter before action. Bank: Liam Moss Photography, sort code [SORT CODE], account [ACCOUNT NUMBER]. Thanks, Liam
Exact facts, one clear deadline, a lever set by law and payment details so paying is easy. An invented example from the pack.
What it does
Words you can type at any time. You do not need them to start.
| Start it | Asks five short questions about you, the client, the invoice and what you have sent so far |
| Answer the questions | Tells you how strong your position is and plans the chase with dates |
| next message | Writes the next reminder in the sequence, with payment details and a deadline |
| interest | Works out late interest and compensation where they apply, showing the rate and the sum |
| they replied: we pay on 90 day terms | Explains what it usually means and writes your answer |
| payment plan | Drafts a written instalment agreement with dates |
| case file | Shows the invoice, days late, what you sent and when, and your next step |
How you use it
- Open a new chat in ChatGPT, Claude, Gemini, Grok or Copilot. Free plans work.
- Attach the text file to a new chat in any AI and type "Follow this file". Or upload it once as a skill to Claude, ChatGPT, Gemini, Grok or Copilot.
- Answer its questions in your own words. It works through the problem with you from there.
See the set-up steps for each AI before you buy.
What arrives
A zip file, straight after you pay. Inside: the pack as a ready-to-upload skill with its SKILL.md, the same pack as one text file for any AI, and a start-here PDF with both set-ups.
Good to know
- It is built for business clients. If your client is a private person, it uses gentler rules and adds no business late interest.
- In the UK and EU, business clients who pay late can owe interest and a fixed sum per invoice. It explains this and asks you to confirm the current rate.
- It checks whose payment terms apply first, including any supplier form you signed.
- It will not threaten anything you do not plan to do.
- It writes, you send. Nothing goes out for you.
- Part of the Seller and Freelancer Kit: 5 packs for $29.
- Or get Every Problem Pack: all of them for $99.
- 14 days to get your money back if it does not do what this page says.
What is in the download
4 files in one zip, ready straight after you pay.
| START-HERE.pdf | The two ways to set it up, step by step, and the commands you can type. |
|---|---|
| 1 - Skill | A ready-to-upload skill (.zip) and its SKILL.md. Upload it once to Claude, ChatGPT, Gemini, Grok or Microsoft 365 Copilot and it switches on whenever this problem comes up. |
| 2 - Text file for any AI | The same pack as one text file, about 3,400 words. Attach it to a chat or add it to a project in ChatGPT, Claude, Gemini, Grok or Copilot. Free plans work. |
Questions
Which AI does it work with?
Claude, ChatGPT, Gemini, Grok and Microsoft 365 Copilot take it as a skill: upload it once and it switches on by itself. On any AI and any plan, attach the text file to a new chat and type "Follow this file", or add it to a project.
How do I get it?
Pay once by card. The download button appears straight after payment and your receipt comes by email. No account, no subscription.
Can I keep it ready for next time?
Yes. Upload the skill once to Claude, ChatGPT, Gemini, Grok or Microsoft 365 Copilot, or add the text file to a ChatGPT Project or custom GPT, a Claude Project, a Grok project or a Copilot agent. The start-here guide shows each.
Does it send anything for me?
No. It writes each message and you read it and send it yourself.
Is this legal advice?
No. It helps you put your case clearly and keep it moving. For large sums, a court date or anything you are unsure about, speak to a lawyer or a free advice service where you live.
What if it does not work for me?
You have 14 days to get your money back if it does not do what this page says. Tell us what you asked it and what it returned.
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