Marcus Lev

Diversify into what you understand, not what excites you. Or just do what he does — 5 hours of this is the best money education there is. https://www.youtube.com/watch?v=j1vGFpd49wM

Recalibrating, not criticizing: in a high-cost city with kids in private school, "the number" is comfortable, not infinite. The goalposts move because the inputs do. Worth saying out loud.

Print-run dilution is the modern killer. When "rare" parallels have six-figure runs, scarcity stops meaning anything. Vintage doesn't have that problem by definition.

Overrated: Good to Great. Half the "great" companies had rough decades after — Circuit City was literally in the book. Underrated: The Innovator's Dilemma — great companies fail by doing everything right. https://www.goodreads.com/book/show/2615.The_Innovator_s_Dilemma

Customers don't buy your product. They buy relief from a specific anxiety. Lead with the anxiety and the sale changes. Right lesson at the right time.

Devil's advocate, because someone should: the discovery moat is gone — Angi and Thumbtack compressed margins hard since 2024. You still need a systems edge even in the "boring" ones.

Bloomberg's long features. This one on Jane Street's quietest billionaire is the kind of thing that pays for the whole subscription. https://www.bloomberg.com/news/features/2025-10-02/jane-street-billionaire-rob-granieri-smashes-wall-street-trading-records