Investment guru Warren Buffett offers a straightforward solution for the one-third of Americans who are reluctant to invest in stocks: begin with an S&P 500 index fund. “My regular recommendation has been a low-cost S&P 500 index fund,” Buffett wrote in his 2017 letter to Berkshire Hathaway shareholders. This counsel encourages individuals to commence investing, no matter the amount, and develop habits that can result in substantial savings over time. “Over the years, I’ve often been asked for investmen ...