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Idea: 3 Steps to Build Your Startup (2026)

Before you build anything: check that the problem is real, see who already solves it and pick how you will make money. These are the 3 steps of this stage, in order.

Last updated October 2026 · 3 listings reviewed

The ranking

1

Validate your idea Medium

Prove that real people have the problem and will pay to solve it before you spend months building.

ValidationSave moneyCustomers

0.1

Why this step matters Most new products fail for a dull reason: not enough people wanted them badly enough to pay. Validation is the cheapest way to find that out. A few weeks of conversations and small experiments can save you months of building, a lot of money and a co-founder relationship that sours when nobody signs up. Validation does… Read more →

Pros

  • Talk about their past behaviour, not your idea
  • Ask for money or a commitment early
  • Write down a pass/fail threshold before you test

Cons

  • Counting compliments from friends as validation
  • Building the product to "see if people want it"
  • Testing with an audience that will never buy

Cost: $0-200  ·  Time: 1-3 weeks  ·  validation customer interviews smoke test pre-sales problem discovery

2

Research your competitors and market Easy

Map who already solves the problem, how they charge and where they fall short, so you can pick a gap you can win.

ValidationCustomersRevenue

0.2

Why this step matters Competitors are proof that a market exists. They have already taught customers what to expect, what to pay and which words describe the problem. Studying them closely tells you where the market is crowded, where customers are frustrated and where a smaller, sharper product can win. "We have no competitors" is almost never true. If nobody… Read more →

Pros

  • Include spreadsheets, agencies and "do nothing" as competitors
  • Read 1-3 star reviews for unmet needs
  • Sign up for competitor trials and newsletters

Cons

  • Concluding "we have no competitors"
  • Copying the market leader's feature list
  • Spending weeks on research instead of selling

Cost: $0-100  ·  Time: 3-7 days  ·  competitor analysis market research positioning pricing research market sizing

3

Choose a business model Medium

Decide who pays, for what and how often, and check that the numbers can work before you build.

ValidationFundingRevenue

0.3

Why this step matters A business model answers three questions: who pays, what they pay for and how often. The same product can succeed or fail depending on those answers. A tool sold as a monthly subscription to small businesses needs very different marketing, support and cash flow from the same tool sold as an annual contract to large companies,… Read more →

Pros

  • Pick a model your competitors' customers already accept
  • Model unit economics with pessimistic numbers
  • Match the model to how you plan to fund the company

Cons

  • Defaulting to "free now, ads later"
  • Pricing by cost instead of value
  • Mixing three revenue models before you have one working

Cost: $0  ·  Time: 2-5 days  ·  business model unit economics pricing saas revenue model

0. Idea compared at a glance

#StepCostTimeDifficulty
1Validate your idea$0-2001-3 weeksMedium
2Research your competitors and market$0-1003-7 daysEasy
3Choose a business model$02-5 daysMedium

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How we rank 0. idea

Steps are ordered by when a typical startup needs them; skip one only when you already have what it produces. Reader upvotes and click-throughs nudge the order over time, and we remove listings that shut down or change terms dramatically. Read our full methodology.

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