Founder Codex

Useful things to know before the big bet.

Practical guides, decision frameworks, and field notes for founders, operators, and investors who want stronger evidence before they commit.

Start here

Evidence over enthusiasm. Separate a real signal from a compelling story.

Specific beats broad. Strong decisions begin with a clear customer and problem.

Momentum is earned. Use the next piece of evidence to choose your next move.

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Find the resource you need right now.

The library

41 resources in all tracks

Guide Mar 2025

How to Validate a Startup Idea in 2025 (Complete Guide)

BuildOrQuit Team

Learn the exact process to validate your startup idea using search data, competitor analysis, and real customer signals.

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Product Mar 2025

How BuildOrQuit Works: Startup Validation

BuildOrQuit Team

A behind-the-scenes look at how BuildOrQuit validates startup ideas using search data and real community signals.

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Analysis Feb 2025

5 Red Flags That Your Startup Idea Won't Work

BuildOrQuit Team

Warning signs from search data, competitor analysis, and sentiment data that predict failure before you waste time and money.

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Article nav.al

How to Get Rich (Without Getting Lucky)

Naval Ravikant

A long-form unpacking of wealth, accountability, leverage, judgment, and ownership.

Open resource
Book navalmanack.com

The Almanack of Naval Ravikant

Eric Jorgenson · Naval Ravikant

A free, permissioned collection of Naval’s ideas on wealth, happiness, and clear thinking.

Open resource
Article nav.al

Arm Yourself With Specific Knowledge

Naval Ravikant

Why genuine curiosity and unusual combinations of skills can become a founder’s edge.

Open resource
Article nav.al

Embrace Accountability to Get Leverage

Naval Ravikant

A case for taking visible responsibility before asking the market for more leverage.

Open resource
Article nav.al

Judgment Is the Decisive Skill

Naval Ravikant

How better decisions compound when code, media, capital, and people amplify them.

Open resource
Article nav.al

Play Long-term Games With Long-term People

Naval Ravikant

A practical lens for choosing markets, collaborators, and relationships that compound.

Open resource
Article nav.al

Productize Yourself

Naval Ravikant

A concise framework for turning a distinctive skill into a repeatable product or medium.

Open resource
Article nav.al

Product Leverage Is Egalitarian

Naval Ravikant

Why software and media can distribute the same useful product to everyone at low marginal cost.

Open resource
Article nav.al

Work the Least for It

Naval Ravikant

A reminder that calm, high-quality decisions can outperform frantic effort in leveraged systems.

Open resource
Podcast nav.al

Happiness

Naval Ravikant

A practical-philosophy series on peace, truth, health, wealth, and the quality of attention.

Open resource
Podcast nav.al

In Most Difficult Things in Life, the Solution Is Indirect

Naval Ravikant

A short reflection on why value, happiness, and status are often best pursued as by-products.

Open resource
Social x.com

Naval on X

Naval Ravikant

A live stream of short-form notes on startups, investing, philosophy, and independent thinking.

Open resource
Book levels.io

MAKE: Bootstrapper’s Handbook

Pieter Levels

Levels’ handbook for building and shipping internet businesses without waiting for permission or funding.

Open resource
Article levels.io

I’m Launching 12 Startups in 12 Months

Pieter Levels

The original challenge: finish, launch, and learn from a dozen small bets instead of polishing one forever.

Open resource
Article levels.io

How I Build My Minimum Viable Products

Pieter Levels

A candid build-and-ship workflow: solve a real problem, keep the first version small, and launch it.

Open resource
Social levels.io · X

How to Build a Bootstrapped Startup Without Funding

Pieter Levels

A direct, recent checklist on charging early, using boring tech, and building in public.

Open resource
Guide levels.io

Bootstrapping Side Projects Into Profitable Startups

Pieter Levels

A practical talk transcript covering idea selection, launch loops, distribution, and sustainable revenue.

Open resource
Article levels.io

How I Built Remote OK and Launched It to #1 on Product Hunt

Pieter Levels

A launch retrospective about finding a narrow wedge, shipping quickly, and learning in public.

Open resource
Article levels.io

Nomad List Founder

Pieter Levels

How a crowdsourced spreadsheet became a focused product with a real audience and a clear job to do.

Open resource
Podcast levels.io

Confronting Fears and Taking a Leap

Pieter Levels · Indie Hackers

An early conversation on risk, shipping, the MAKE book, and the leap from experiments to businesses.

Open resource
Podcast levels.io

Money, Happiness, and Productivity as a Solo Founder

Pieter Levels · Indie Hackers

A later check-in on Nomad List, Remote OK, remote work, and the trade-offs of staying small.

Open resource
Podcast levels.io

Conversation on Startups, AI, and Indie Hacking

Pieter Levels · Lex Fridman

A wide-ranging conversation about building solo, travel, AI, product taste, and sustainable ambition.

Open resource
Article levels.io

List of All My Projects Ever

Pieter Levels

A useful reality check: a public archive of launches, experiments, failures, and the few products that stuck.

Open resource
Social x.com

Pieter Levels on X

Pieter Levels

Build-in-public notes, revenue experiments, product launches, and sharp reminders to keep shipping.

Open resource
Article paulgraham.com

Ideas for Startups

Paul Graham

A framework for noticing valuable problems instead of trying to invent clever ideas in a vacuum.

Open resource
Article paulgraham.com

How to Get Startup Ideas

Paul Graham

Why curiosity, observation, and turning off the unsexy and schlep filters produce better starting points.

Open resource
Article paulgraham.com

Do Things That Don’t Scale

Paul Graham

A classic argument for manual recruiting, unusually good early service, and learning directly from customers.

Open resource
Article paulgraham.com

Maker’s Schedule, Manager’s Schedule

Paul Graham

A compact explanation of why uninterrupted half-days matter for people who make things.

Open resource
Article paulgraham.com

How to Start a Startup

Paul Graham

A foundational essay on good people, making something customers want, and spending less than you make.

Open resource
Article paulgraham.com

Before the Startup

Paul Graham

Advice for building taste, agency, and a life that gives future founder decisions more surface area.

Open resource
Article paulgraham.com

Startup = Growth

Paul Graham

A useful definition of a startup and a reminder to use growth as the compass for hard choices.

Open resource
Article paulgraham.com

Founder Mode

Paul Graham

A recent essay questioning the default management playbook founders are given as companies grow.

Open resource
Article paulgraham.com

How to Make Wealth

Paul Graham

A clear model of wealth creation built around making things people want, measurement, and leverage.

Open resource
Guide ycombinator.com

Startup School: The Founder Curriculum

Y Combinator

A free set of talks on ideas, co-founders, users, pricing, MVPs, and getting the first customers.

Open resource
Guide stripe.com

Atlas Guides for Internet Businesses

Stripe

Practical guides on first customers, pricing, incorporation, fundraising, and operating responsibly.

Open resource
Guide stripe.com

Your First 10 Customers

Patrick McKenzie · Stripe Atlas

A hands-on sales sequence for finding, approaching, and learning from early customers one at a time.

Open resource
Guide stripe.com

How to Start a Startup

Stripe Atlas

A practical overview of validation, MVPs, business models, launch, and early traction.

Open resource
Guide stripe.com

How to Start a Remote Business

Stripe Atlas

A grounded checklist for remote-first operations, compliance, hiring, and documentation.

Open resource