Who this is for
Anyone who wants to evaluate companies, invest more wisely, or simply think in terms of value and durability.
What you'll get
You'll be able to read a business for its moat, price in a margin of safety, and think two steps ahead.
The path
Warren Buffett
Start with the temperament: patience, margin of safety, and the discipline to do nothing.
Berkshire Hathaway
See how those principles compound in a real machine — insurance float and capital allocation.
Second-order thinking
Train the habit that separates good investors from gamblers: tracing consequences.
Inversion
Learn to avoid ruin by studying how you'd guarantee failure, then not doing that.
Switching Costs
Understand the first source of durable advantage you'll look for in any business.
Scale Economies
Add the second: why the biggest low-cost player is so hard to dislodge.
Porter's Five Forces
Zoom out to judge whether an entire industry is even worth investing in.