Which tool to choose
You need a document with the classic sections of a business plan already headed, even if empty. If the assistant offers a project space where you can keep chats and files together, put it there. Automatic memory may remember the company name or the sector, but the figures and strategic choices go in the document, where you control them. The decisive tool isn't an AI feature: it's the plan itself, written in a file you own and update.
How to do it
- Create the document with the sections: problem, solution, customers, market, competition, revenue model, numbers, risks.
- In each session pick a section and tell the AI "today we're working on this," pasting in the updated plan.
- Discuss, refine, and when a part is solid put it back into the document in place of the old version.
- Keep a line at the top with the date of the last update and what's still missing, so you always know where to pick up from.
A concrete example
Davide wants to start a tool-rental service among neighbors. He has a document with all the sections of the plan. The first Sunday he worked only on the problem and the customers; the second, pasting the plan back in, he defined the revenue model; the third he laid out the first numbers. Each session started where the previous one had stopped, and after a month he had a coherent plan, not twenty disconnected conversations. The first week's assumptions were still there, written down, ready to review.
When it does NOT work (and how to fix it)
If the numbers keep changing
The numbers in a plan are assumptions, and it's normal for them to move. Keep them in a single section and when you change them note next to them why. That way, when the AI helps you redo a calculation, it always starts from the right figures and you understand how you got there.
If the plan turns into a novel
A useful business plan is lean: bullets and figures, not endless paragraphs. If a section swells, ask the AI to cut it to the essentials. A plan no one rereads because it's too long doesn't help move anything forward.
If you realize an initial choice was wrong
Change it in the document and write that it has changed, without erasing the memory of why. A living plan corrects itself: what matters is that the current version is coherent, so the AI doesn't keep reasoning on an assumption you've already abandoned.
A tip from someone who really uses it
Work one section at a time, not the whole plan at once. The temptation is to ask the AI "write me the complete business plan" and end up with twenty generic pages that don't reflect your idea. A real plan is built in pieces: one session to truly understand the customers, one for the numbers, one for the risks. Proceeding by sections forces you to think, and the document that comes out is yours, not a template filled in at random.
Frequently asked questions
Can the AI write the business plan for me on its own?
It can give you a draft and excellent prompts, but a plan that doesn't come from your real assumptions is just paper. The value lies in the reasoning you do section by section: the AI is the collaborator that helps you think, not the one that decides in your place.
How many sessions does it take?
As many as it takes: it depends on how clear your idea is. The strength of the method is that you can stop and resume without losing anything, because every bit of progress stays in the document.
Do I have to give the AI all the real numbers of my business?
Give what's needed to reason, but judge for yourself what's sensitive: to simulate scenarios, realistic figures are often enough, not the confidential data. Keep the most delicate information in your document and share with the AI only what's necessary for the reasoning.
If I use the AI in every session, does the plan build itself?
No, and it's the misunderstanding that produces empty plans. The AI doesn't hold the thread together from one chat to the next: without your document, every session starts from a blank page and the "plan" stays a collection of disconnected fragments. It's the structured document, updated by you, that turns many conversations into a single plan that grows. Counting on the assistant to remember everything is the quickest way to find yourself, after a month, with no real plan in hand.