Core-satellite portfolio construction
The speaker's teaching for better investing was to start with a broad index fund core and use a small 'cowboy account' for speculative stock-picking to satisfy the urge to trade without jeopardizing the core portfolio.
Keep reading this one
You've read the thesis and who argued it. A free account opens the argument, what validates it, the risks the show raised, and the moment in the episode where it was said — 3 ideas in full a day, no card.