Most owners-to-be don't have an ideas problem. They have a choosing problem. This eBook gives you a five-filter test, a one-week sizing method and a way to pick between two ideas you both like, so you stop polishing a list and start building a business.
Members ebook·7 chapters· 45 minute read
Chapter 6
Choosing Between Two Ideas You Both Like
When two candidates survive the test, how to pick the one worth your next year.
If the previous chapters have done their job, you should be facing one of three situations. Most likely, one idea has emerged clearly as the strongest. In that case, skip to the next chapter and start the path to first customer. Less likely but still common, none of your candidates passed the test and you need to go back to the inventory and generate fresh ones. The hardest situation is the lucky one: two ideas have both passed and you genuinely cannot tell which is better.
This chapter is for that lucky problem. It gives you four tie-breakers, in priority order, that almost always resolve the decision. By the end you'll have one chosen idea and the freedom to walk away from the other one without lingering regret.
The reason this chapter exists at all is that the wrong way to resolve the choice is to try to do both. Two new businesses at the same time is two failed businesses six months later. The decision has to be made.
The full chapter walks through the four tie-breakers (life shape, opportunity cost, momentum, founder fit), how to set up a structured forty-eight-hour decision, what to do with the rejected idea and how to know when you've actually decided.
Tie-breaker one: life shape
The first and most important tie-breaker is the life the business would create around itself. Two ideas that score similarly on the five filters often produce very different lives once you're running them. The dental bookkeeper works office hours from home with quiet weekly rhythms. The setup-only consultant works in bursts, with deadline pressure every fortnight and frequent travel to clients. Both businesses might earn the same money. They produce very different days.
Be honest about what kind of life you actually want. Not the life that sounds impressive when you describe the business at a party. The life you'd want on a Tuesday afternoon in October. The right answer here is rarely the more glamorous one.
Tie-breaker two: opportunity cost
If you choose idea A, what does that close off? If you choose idea B, what does that close off? Often one of the two ideas could be picked up again in three years if it kept calling to you, while the other is more time-sensitive - a market that's currently open but won't stay that way, a regulation change you could ride now but not later, a personal connection that's available now and might not be in two years.
Choose the idea with the higher opportunity cost - the one that closes the bigger door if you don't pursue it now. The other one will probably still be there if you want it later.
Tie-breaker three: which one already has momentum?
If you ran the smallest testable version on both ideas, one of them probably hit harder. More enthusiastic customers, easier conversations, faster path from email to payment. That's not random. That's the market quietly telling you which one has more pull. Trust that signal more than your own preferences.
Even without a formal test, momentum often shows up in how easy it was to find your first three potential customers. The idea where six people asked when you'd be ready to start, even before you'd offered anything, has more momentum than the idea where you had to chase ten people for one polite enquiry. Don't overrate this signal but don't ignore it either.
Tie-breaker four: founder fit
Both ideas might pass the skill filter on paper. But there's usually one where you sound more like yourself when you describe it to a stranger. Where the explanation comes out clearly and you can answer follow-up questions without effort. Where you naturally know what to do next without consulting a checklist. That's founder fit, and it matters more than logic suggests it should.
Founder fit is what gets you through year three when the early excitement has worn off and the business has become routine. The idea you can talk about for an hour without running out of things to say is the idea you can run for ten years without running out of energy.
The forty-eight-hour decision
Set a hard deadline. Two days. Pick a date. Tell someone you trust the decision will be made by then. Use the four tie-breakers in order. Most owners discover that life shape and opportunity cost together usually produce a clear answer, and the other two are tie-breakers within a tie-breaker, rarely needed.
If after forty-eight hours you still cannot decide, that itself is information. It usually means either both ideas are so similar that the decision genuinely doesn't matter much (in which case flip a coin and start) or both ideas are weaker than you've allowed yourself to admit, and what you actually need is a different candidate. The second is more common than founders like to think.
Decision-making mistakes to avoid
Trying to do both. The second idea is now a rejected idea. Treat it that way.
Choosing the more impressive-sounding one to please other people. You're the one running it.
Choosing the safer-sounding one out of fear. Safety is overrated; both ideas have already passed the test.
Letting the decision drift past the deadline. A delayed decision is a decision against both ideas.
What to do with the rejected idea
Write it up properly in a notebook. The idea, why you considered it, the tests it passed, the tie-breaker that ruled against it. Then close the notebook. Don't keep half-pursuing the rejected idea on weekends. Don't introduce the new business at parties as "one of two things I've been thinking about." The rejected idea gets one notebook entry and then it's done.
In three years, if the chosen business is steady and you're considering a second product line, open the notebook and see whether the rejected idea still calls to you. Sometimes it does. Sometimes when you reread the notes you can see exactly why you rejected it and you laugh. Either way, the future you is the right person to make that call, not today's you.
Knowing you've actually decided
You've actually decided when you stop running the rejected idea around in your head, when you can describe the chosen business in one sentence to a stranger without immediately adding "or I might do this other thing," and when your next week's calendar has work for the chosen business in it. Until those three things are true, the decision is provisional. Once they are, you're free to start.
What to do this week
If you have two ideas in front of you that both passed the test, set the forty-eight-hour deadline for this Wednesday. Run the four tie-breakers in order. By Wednesday evening, write the chosen idea on a single sheet of paper and put it on the wall. Put the rejected idea in the notebook and close it. By Thursday morning, start the next chapter.
Make the offer clear. The principle this chapter rests on. A clear chosen idea is the start of a clear offer. The next chapter walks you from chosen idea to first paying customer in thirty days. The companion eBook 'How to Start a Small Business' is the natural next read once your idea is locked in.
The rest of this chapter walks through the practical steps, the templates and the checklists you need to put it into action. It includes worked examples, copy frameworks and the small decisions that make the difference between a plan that sits in a drive and one that gets used.
Inside you'll find a step-by-step playbook, a downloadable template, a checklist you can run this week and a short list of common mistakes to avoid before you start.
The full action plan, broken into weekly steps.
Ready-to-use scripts, templates and checklists.
Worked examples for different sized businesses.
Common mistakes and how to avoid them.
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