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Do a 15-minute monthly money check on your business

You only look at the numbers when the bank balance scares you. Get a short monthly routine and a one-tab sheet with the five numbers that matter for your kind of business.

Updated 17 Oct 2026

The prompt · ChatGPT

Help me set up a 15-minute monthly money check.

My business: [what you do, how customers pay]
What I'd like to know each month: [e.g. am I making money, who owes me, can I pay myself]
What usually catches me out: [e.g. annual bills, slow payers]
Where my numbers are now: [e.g. bank app, invoicing app, a notebook]

First ask me up to 4 short questions. Wait for my answers.

Then:
1. The 5 numbers that matter most for my business, with why each matters.
2. A 15-minute routine in order, saying where to find each number.
3. A one-tab Google Sheets layout: one row per month, a column for each number, and simple formulas for change since last month.
4. Warning signs for each number and what to do first.
5. A note on when to involve my accountant.

Only use what I've told you, leave blanks for anything I haven't given, and don't invent facts or figures. UK English.

Stay in this ChatGPT chat. Do not turn on apps or connectors, and do not use memory from another chat.

A short example

Fill the blanks, then paste. what you do, how customers pay: a short note you already have. e.g. am I making money, who owes me, can I pay myself: a short note you already have. Leave the rest of the prompt as written.

This does not give tax advice. The books stay in the accounting system.

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