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Good Combinator

Founder notes

Articles for technical founders who want fewer vague slogans and more useful operating ideas.

The blog covers fundraising, accelerators, product-market fit, founder evaluation, and nonprofit AI. It is meant to be practical: short enough to use, sharp enough to change a decision.

Fundraising and demo day Accelerator fit Applied AI and nonprofit strategy

Recent posts

Start with the latest founder notes.

Current articles on fundraising, accelerator fit, product strategy, and applied AI.

What Does an AI Accelerator Do?

How AI accelerators work, what founders should expect from one, and how to tell whether a program is built for optics or actual company-building.

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How Much Equity Do Accelerators Take? 2026 Comparison

A plain-English comparison of accelerator equity terms, how to think about them, and what actually matters beyond the headline percentage.

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The Nonprofit Digital Transformation Roadmap for 2026

A 12-month plan for mission-driven organizations moving from digital catch-up into practical AI adoption.

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The Best Tech Accelerators in Florida for 2026

A practical comparison of Florida-based programs, funding models, and what kind of startup each one actually fits.

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Accelerator vs. Incubator vs. Venture Capital

A side-by-side breakdown of what each model provides, when it helps, and where founders usually misread the tradeoffs.

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The Ultimate Demo Day Pitch Guide

How to shape a three-minute pitch so investors hear customer pain, proof, and inevitability rather than generic founder theater.

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5 Metrics Every Seed-Stage Startup Should Track

The early numbers that actually help founders make better product, retention, and fundraising decisions.

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How We Evaluate Founding Teams

An inside look at the judgment criteria behind team selection, founder-market fit, and execution range.

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From Demo Day to Series A: A Founder's Playbook

How to manage the weeks after demo day so momentum compounds instead of dissipating into loose investor follow-up.

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Defining and Achieving Product-Market Fit

What product-market fit actually looks like in practice and the signals that usually precede it.

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Cap Table 101: Navigating Equity and Dilution

A founder-friendly primer on cap tables, dilution, and why clean equity structure matters before the next round arrives.

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Building Company Culture as You Scale

How to keep the culture real while the team grows, the processes multiply, and the founding pace starts to change.

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