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 Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Estimating Your Estate Taxes Estate tax laws have changed a few times in recent years. Do you know the new rules? What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.