Guides › Starting a business

The right business
depends on what you already have.

Searching for business ideas produces lists that ignore the only three things that determine whether you specifically can make one work: what you can do, who you can reach, and what you can afford to fund.

Short answer: The business you should start is the one that passes your capability, access and funding filters in that order. These three determine whether you can make it work because early customers come from existing reach and most ideas fail one filter obviously. Passion serves only as a tiebreaker among the viable options that remain.

Three filters, applied in order

Capability: what can you do that people pay for, or learn quickly enough to matter. Access: whose attention can you get without buying it, because early customers almost always come from existing reach. Funding: what can you afford to run before revenue.

Very few ideas survive all three, and the ones that do are usually unexciting and unusually likely to work. Most business ideas fail one filter obviously, and are pursued anyway because the idea was appealing.

Passion is a poor first filter and a good second one

Doing something you dislike for years is a genuine risk, so interest matters. But applied first, it produces businesses in crowded consumer categories with no economics, because interesting things attract many people.

Applied after the three filters, it chooses well between remaining options — and by then the choices are all viable, so preference is exactly the right tiebreaker.

What the engine actually does with this question

This question routes to Startup Genius — one of 29 engagements the platform runs. It does not produce advice in general; it produces this analysis for your business:

✓ Sizes who could realistically buy this — not the size of the industry
✓ Estimates what a customer costs to acquire and what they are worth to you
✓ Tests whether the gap between those two survives contact with reality
✓ Models the cash you need and when break-even actually arrives
✓ Names the assumptions the whole idea rests on, ranked by damage if wrong
✓ Gives the cheapest test that would prove the riskiest one false

You watch the analysis get built before you pay anything. Read a complete report here if you would rather see the depth first.

Questions people ask about this

What is the most profitable type of small business?

Generally services with high skill content, low delivery cost and repeat purchase — professional services, specialised trades, B2B software. But the profitable-in-general business you cannot reach customers for is worth less than the ordinary one you can.

Should I start a business in an industry I know?

Usually yes, and it is the single largest advantage available to a new business. Knowing an industry means knowing what customers actually complain about, what the real costs are, and who to call — which is most of the early learning others pay for in time and money.

Is it better to start a service or a product business?

Services start faster, need less capital and validate demand immediately; products scale better once they work but need funding through a build. Many strong businesses start as a service, learn what customers actually need, and productise afterwards.

Test the idea before it costs you anything.

Describe the situation in your own words and we will tell you which analysis answers it — before you sign up for anything.

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