Veytics Intelligence
2026-09-23 · Yahoo

Jim Cramer reveals 5 'boneheaded mistakes' that cost him 'a fortune.' How many are you making?

John Lamparski/ Getty Images Moneywise and Yahoo Finance LLC may earn commission or revenue through links in the content below. Every great investor has lost money somewhere along the way. What separates amateurs from the pros is the ability to learn from these errors. After all, investing is a lifelong process and getting discouraged early can compromise your ability to retire. Luckily, you can learn the same lessons as celebrated gurus without watching your hard earned cash disappear — as Warren Buffett once said, the best way to learn is "vicariously" from other people's mistakes (1).

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