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 | Related Content Interest Rates: How Low Can They Go? The question used to be, “How low can interest rates go?” Now it's, “How long can rates remain at their historic low levels?” Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.