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Business Case GeneratorA business case template, filled in for you
This business case generator fills in a business case template from a one-paragraph product idea: problem, audience, value proposition, market framing, monetization options, the risks most likely to kill it, and next steps. Free. No signup required.
A business case template, filled in for you
A business case template is a fixed set of sections for deciding whether an idea deserves your time and money. This business case generator fills one in from a single paragraph: describe your product idea in 20 to 600 characters and it returns a directional business case covering the problem, the target audience, the value proposition, the market, three ways to charge, the three risks most likely to kill the idea, and three next steps. It is free, and you can run it three times a day without an account.
"Directional" is the important word. The generator reasons from what a language model already knows about comparable products and markets. It does not search the web or pull live figures, so treat every market statement as a hypothesis to check.
The business case template it uses
These are the sections the generator fills in, in the order they appear on the page. Use the same list if you are writing one by hand.
Product name A short working name for the idea.
Problem Who feels the pain, when, and what it costs them today.
Names the status quo it replaces: a spreadsheet, a manual
process, a competitor, or doing nothing.
Target audience The primary customer (role, context, segment) and the most
valuable adjacent segment. Specific enough to find on LinkedIn.
Value Why someone would pay for this over the obvious alternatives,
proposition including doing nothing. The wedge, not a feature list.
Market framing A qualitative read on market shape (large and crowded, or
small and underserved; growing or flat), then three tiers:
TAM Total market
SAM Serviceable
SOM Realistic reach
Described in words, never presented as a sourced figure.
Monetization Three distinct pricing models (per seat, usage-based,
options freemium, take rate...) and why each fits.
Key risks The three risks most likely to kill it (demand,
distribution, unit economics, moat or execution), each
with one testable mitigation.
Next steps Three cheap validation moves to run before building,
in priority order.
Example: one key risk, filled in
Example output, written by hand in the tool's format. The input is one of the tool's demo prompts: "A Slack bot that summarises long customer-support threads into a one-paragraph handoff for the next agent."
Risk: The help desk the team already pays for could ship thread
summaries itself, leaving a standalone bot with no reason to exist.
Mitigation: Before building, interview five support leads and find out what
they still rewrite by hand at every handoff, whatever tools they use.
A useful case reads like this throughout: it names the specific thing that could go wrong for this product, then the cheapest way to find out.
What are the key components of a business case?
Most business case formats share the same core: the problem, who has it, the proposed solution and why it beats the alternatives, the size of the opportunity, how it makes money, the risks, and a recommendation or next step. Corporate templates rename these as current state, stakeholders, benefits, costs, options considered and risks. Product-idea templates like this one lean harder on the audience and the reasons to stop.
How do I structure a business case?
Put the problem first, because every later section depends on it. Then say who has the problem and how you would reach them, then why your answer beats doing nothing. Only after that, frame the market and the pricing. End with the risks and the next steps, so the document finishes on a decision rather than a pitch. Keep each section short enough that you can't hide behind length.
Why qualitative TAM, SAM and SOM?
A model with no live data can't honestly give you a dollar figure for a market. It can tell you whether the market is likely crowded or underserved, growing or flat, and who already spends money there. That is enough to decide whether an idea is worth researching properly. For solo builders, the realistic-reach tier matters most: how many customers you could actually reach in the first year.
When directional is enough
A directional case is enough to kill obviously weak ideas, compare a few concepts, and prepare for customer conversations. It is not enough for raising money, setting final prices or committing serious budget. Those decisions need sourced market data and competitor research. Use the generator to decide what's worth researching, then do that research before you bet on it.
Further reading
- Business case template: free one-page version + examples, the long-form guide with two worked business case examples and kill criteria.
- Persona generator, to put names and roles on the target audience section.