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Tiny Margins

Mental Models

First-principles thinking and decision frameworks for founders: reasoning through hard startup calls and strategy.


You Can’t Run a $10M Company by Solving $10K Problems

You Can’t Run a $10M Company by Solving $10K Problems

Tiny Margins | Issue 051

Jun 4, 2026

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6 min read

How to Build Like a Second‐Time Founder on Your First Try

How to Build Like a Second‐Time Founder on Your First Try

Tiny Margins | Issue 035

Feb 12, 2026

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5 min read

Stuck around 6‐figure MRR? This is probably why.

Stuck around 6‐figure MRR? This is probably why.

Tiny Margins | Issue 033

Jan 29, 2026

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5 min read

What would you build if you stopped asking for approval?

What would you build if you stopped asking for approval?

Tiny Margins | Issue 029

Jan 1, 2026

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6 min read

Why YC bets on Bad Ideas (and Still Wins)

Why YC bets on Bad Ideas (and Still Wins)

Tiny Margins | Issue 020

Oct 30, 2025

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4 min read

The Billion‐Dollar Company of One

The Billion‐Dollar Company of One

Tiny Margins | Issue 019

Oct 23, 2025

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4 min read

The Art of Collecting No’s (+ Access 30,399+ VCs)

The Art of Collecting No’s (+ Access 30,399+ VCs)

Tiny Margins | Issue 014

Sep 18, 2025

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5 min read

The #1 Skill That Built Airbnb, And How to Make It Yours

The #1 Skill That Built Airbnb, And How to Make It Yours

Tiny Margins | Issue 013

Sep 11, 2025

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5 min read

What Alibaba nailed (and WeWork missed)

What Alibaba nailed (and WeWork missed)

Tiny Margins | Issue 008

Aug 7, 2025

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6 min read

How to Solve Impossible Problems: First Principles Thinking

How to Solve Impossible Problems: First Principles Thinking

Tiny Margins | Issue 004

Jul 10, 2025

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4 min read

Every Thursday, you’ll get a 3-minute lesson another founder learned the hard way, so you don’t risk your margin.

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