Surf the Web
U.S. Treasury Service/IRS
Internal Revenue Service website.
Washington State Department of Revenue
Wa. State Department of Revenue. Sales tax information, links to excise tax law and more.
SSA Retirement Estimator
The Retirement Estimator produces estimates that are based on your actual Social Security earnings record.
The White House
Self Employed Individual Tax Center
IRS webpage for Self Employed Individuals. Starting point for understanding federal tax description and obligations.