Choose a hard version of your problem to pressure-test your model and avoid over-fitting
Intentionally target a diverse segment early to stress-test your product against varied requirements. This prevents building a solution that only works for one specific use case and validates broader applicability.
When to use
When defining initial ICP for a product that could serve customers with varying complexity levels
Don't do this
Picking the easiest customer segment first and building a product so tailored to them that it cannot expand
2 Founders Who Did This
Chose startups as ICP knowing a 2-person garage startup has dramatically different accounting needs than a 300-person company with VP of Finance
Deliberately refused to take two customers with the same use case, collecting maximally different verticals (e-commerce, fraud, marketplace, crypto, fintech) to stress-test whether horizontal identity platform was viable