Principles of Preserving Wealth 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 » Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.