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? 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. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.