Warren Buffett Loves This Low-Cost ETF. History Says It Could Turn $200 per Month Into $1 Million.

Warren Buffett wants most of his family’s inheritance invested in a low-cost S&P 500 index fund, such as the Vanguard S&P 500 ETF. At the S&P 500’s historical average return, investing $200 per month could grow to about $1 million over 37 years.