Key Points ETFs allow you to invest in multiple companies with a single investment. They reduce the risks that come with investing in individual companies. An S&P 500 ETF is a great starting point for the average investor. 10 stocks we like better than Vanguard S&P 500 ETF › As someone who didn't grow up with financially savvy parents or financial mentors, I saw investing as something reserved for people who had lots of money, or who were very knowledgeable about how the stock market works. I tho ...