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 » Related Content Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. 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. Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices.