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. Related Content Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Is a SEP-IRA Right for Your Business? For some, the idea of establishing a retirement strategy evokes worries about complicated reporting and administration. Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources.