Warren Buffett: 12 Mistakes Every Investor Makes

Warren Buffett has studied investor behaviour for over 70 years. In that time, he's watched the same mistakes repeat — made by intelligent, well-informed people who still underperformed. These are the 12 he points to most consistently. 0:00 Hook 0:47 Timing — Mistakes 1 & 2 1:31 Understanding — Mistakes 3 & 4 2:31 Costs — Mistakes 5 & 6 3:17 Emotion — Mistakes 7 & 8 4:14 Mindset — Mistakes 9–12 5:17 The Pattern 0:35 — Mistakes 1–2: Timing (waiting + panic selling) 1:35 — Mistakes 3–4: Understanding (circle of competence + price vs value) 2:40 — Mistakes 5–6: Costs (fees + overtrading) 3:35 — Mistakes 7–8: Emotion (fear + following the crowd) 4:40 — Mistakes 9–12: Mindset (chasing performance + cash + short-term thinking + learning) 6:15 — The pattern connecting all 12 --- TAGS: warren buffett mistakes, investor mistakes, buffett investing advice, how to invest, investing for beginners, common investing mistakes, buffett quotes, index fund investing, personal finance UK, long term investing, compounding, temperament investing

Added 18 Aug 2026