ProfitBooks

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Knowledge Base

Short reads on the failure patterns ProfitBooks is built to detect.

Articles

Unit Economics

Why Unit Economics Break Before Growth Stalls

Revenue growth can hide margin erosion for longer than founders expect.

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Cash Reality

Cash Runway Is Not What You Think It Is

Headline runway fails when timing, commitments, and collections move apart.

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Scale & Profit

The Founder Dependency Trap

Profit that depends on unpriced founder effort is not durable profit.

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Execution

Go-to-Market Execution Breakdown

Execution failure can look like product failure until the evidence is separated.

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Scale & Profit

Why Profit Degrades at Scale

Growth can increase complexity faster than it improves economics.

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Evaluation path

Unit Economics Truth → prove one unit makes money.

Cash Reality & Runway → prove the business survives timing.

Scale & Profit Durability → prove profit still holds under scale.