The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement.