What’s Your Investment IQ? Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.