Should You Invest in Exchange Traded Funds? Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! There are hundreds of ETFs available. Should you invest in them? Share | Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.