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 » Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.