5 Smart Investing Principles The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more.