We analyze six popular portfolios from experts to see the lessons for the average investor. : Sometimes you're not sure where to start with investing. It turns out many experts have come up with portfolios that they would, and often do, implement for themselves or their loved ones. Here we run through some of the most robust options. This portfolio follows the instructions that the great investor Warren Buffett has apparently set out in his will for his wife's trust. He outlined this plan on page 20 of his 2013 letter to Berkshire Hathaway Shareholders.