The Investing for Beginners Podcast - Your Path to Financial Freedom

Back to the Basics: Circle of Competence

May 7, 2026
They unpack the simple idea of knowing what you truly understand and what you do not. Topics include spotting the “cool company” trap, judging moats and industry dynamics, and separating consumer familiarity from business knowledge. A pen-and-paper checklist and safe ways to expand your investing comfort zone are highlighted.
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INSIGHT

Define What You Actually Know

  • Circle of competence means know what you know and, crucially, know what you do not know.
  • Investing mistakes often come from confidence in businesses you actually don't understand, not from bad math.
ADVICE

Invest Where You Have A Real Advantage

  • Invest where you understand the business and your investor advantages.
  • If you can't operate an iPhone, technology stocks likely fall outside your circle of competence.
ANECDOTE

Zotus Was Stephen's First Competence Win

  • Stephen's first clear circle-of-competence buy was Zotus, an agriscience company focused on livestock vaccines and green crop protection.
  • He leveraged growing up on a farm and farmer relatives' feedback to validate customer demand.
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