Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Share | Related Content 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.