When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Estate Management Checklist Is your estate in order? This short quiz may help you assess your overall strategy. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.