Just think, the fees you could charge Buffett

Albert Einstein supposedly observed that the most powerful force in the universe is compound interest, and Mr Buffett’s frugality has enabled compound interest to work its magic. During Mr Buffett’s tenure at Berkshire Hathaway, the S&P 500 index has produced an average total return of 10 per cent. That return reinvested over 42 years will multiply your stake 67 times. But if your investments yield twice as much as that – as Mr Buffett’s have done – your wealth increases not by twice 67, but 67 squared, a factor of 4,500. That arithmetic makes Mr Buffett the richest man in the world.

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