[iron_ball]

Warren Buffet's advice for retail investors—that is, people who are not particularly wealthy, have no special connections in the finance world, and do not want to cultivate special expertise—is to buy an S&P 500 index fund with very low fees and never make a withdrawal until retirement. He specifically recommends Vanguard's S&P 500 fund.

[khuey]

I believe this is also what he told his wife to do after his death.