Gold is expected to continue soaring, but over-investing in gold, ignoring fees, and trying to time the market may hurt your long-term portfolio gains.

The price of gold is dropping, but savvy investors could capitalize on that trend by pursuing these specific assets.

Finally, by investing in gold as a beginner — when just starting your portfolio, you have more time to enjoy its benefits. As Ben Nadelstein, head of content at Monetary Metals, recently told CBS News, "Older investors might have more ounces, but younger investors have more years for those ounces to work for them."