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 Contents When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Problems with Probate Probate can be a completely public process, or it can be managed to include as little information as possible. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.