When Do You Need a Will? Learn How to Avoid These 6 Common Tax Errors Knowing how you need to file your taxes depends on your income and filing status, as well as which deductions and credits you can claim. In this free ebook, we share some common errors to avoid. First Name Last Name Email Address Thank you! Oops! When do you need a will? The answer is easy: Right Now. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process.