Before we get started, we thought we would take this opportunity to present our top tips for designing your own portfolio: About the design: “I aim to make it as simple and immersive as possible ...

“The more complex your portfolio is, the easier it is to get out over your skis,” says Matt Fleming, a wealth adviser at Vanguard Personal Advisor Services. The good news? You can play it ...

That's not exactly building a well-rounded portfolio. You could probably narrow things down to as little as two funds if you want to make it as simple as possible, but I think four will do the trick.