The Warren Buffett
Framework
Value Investing & Long-Term Thinking
Most investors confuse activity with progress and noise with signal. Warren Buffett built the most documented track record in financial history by doing almost the opposite of what the industry celebrates — rarely trading, never leveraging, and passing on anything he couldn't understand in two sentences. This framework captures the mental models that produced six decades of annualised 20%+ returns, distilled from his shareholder letters, interviews, and the decisions he made during every market crisis of the last half-century.
A glimpse of Warren Buffett's thinking.
A business's price is what you pay; its value is what you get. Most participants in any market confuse activity with progress, and noise with signal. The winning move is to buy quality at fair prices, hold it forever, and let compounding do the unglamorous work while everyone else trades themselves into mediocrity.
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Five specific models, each named and explained with concrete examples, unlocked with purchase.
If this business was offered to me privately, for this price, and I could never sell it again — would I still want it?
5 more questions in Warren Buffett's voice are unlocked with purchase.
Full list of anti-patterns unlocked with purchase.
The full framework adds: detailed explanations of all five mental models with real-world examples, the decision heuristics Warren Buffett actually used, remaining signature questions, the complete list of anti-patterns, a copy-paste activation prompt, and a worked example.
Unlocked the moment you purchase. ~2,000 words total. Delivered as a Claude Skill and plain .md within 60 seconds of checkout.
- ✦Core philosophy: 2–3 sentences grounded in Warren Buffett's documented worldview
- ✦Five signature mental models: each named, with concrete examples from their work
- ✦Decision heuristics: the concrete rules they actually used
- ✦Signature questions: five questions that sound like Warren Buffett, not a generic MBA
- ✦What they would NOT do: the anti-patterns this framework rejects
- ✦Copy-paste activation prompt: drop straight into Claude or ChatGPT
- ✦Worked example: the framework applied to a realistic scenario
- →warren-buffett.zip: a native Claude Skill. Upload to Settings → Skills in Claude, or unzip to
~/.claude/skills/ - →warren-buffett-framework.md: plain markdown. Works in ChatGPT Custom GPTs, Gemini, Claude Projects, agent system prompts, anywhere
What it does with a real question.
A founder is deciding whether to take a large but difficult client.
Default to no, unless the difficulty is priced in. A large client feels like a gift because the revenue is visible and immediate. What you can't see on the invoice is what the client costs to keep: the senior hours it eats, the people who burn out serving it, and the quiet erosion of work you'd do for everyone else. Ask what the account earns after you fund all of that, not what it bills. A $2M client that consumes $1.8M of your best capacity is a $200K client wearing a bigger logo.
The deeper danger is concentration. If this client reaches 30 or 40 percent of revenue, they stop being a customer and become your landlord. They can renegotiate, delay payment, or leave, and you'll have no leverage because you've built the company around them. A founder who can't survive losing the account hasn't signed a client, they've taken on leverage.
So my position: take them only if the contract compensates you for the difficulty, with a premium rate, a payment schedule that protects your cash flow, a defined scope, and a cap on their share of revenue. Difficult clients rarely become easier after the signature.
Next move: this week, work out the true margin on this account including loaded staff time, then send them terms with a meaningful premium. Their reaction will tell you everything.
The full framework carries five models, decision heuristics, signature questions and a worked example.
Written by claude-sonnet-5-5 with this framework loaded, 2026-10-11. Checked automatically for length and for copied framework text.
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Ten thinkers for the decisions only you can make
Get Warren Buffett plus nine more for $29.99 →Inspired by the documented thinking of Warren Buffett. A mental-model toolkit, not a literal representation. Delivered as a .md file compatible with Claude, ChatGPT, Gemini, and any LLM.