GENERAL
Internal Revenue Service
Income Tax 101
Alternative Minimum Tax
New IRS Form 1040
Tax Cuts and Jobs Act
1031 EXCHANGES
What Is a 1031 Exchange in Real Estate?
Exchange Authority 1031 Exchanges
PAYROLL TOOLS
IRS withholding calculator
PaycheckCity.com – Paycheck Calculator
Hourly Paycheck Calculator
STATE TAX RATES
State income tax comparisons
Sister States Tax Directory
Taxes by State
How Money Walks
TAX PREPARATION ONLINE
NerdWallet: Best Tax Software 2019
IRS: Free File: Do Your Federal Taxes for Free
FreeTaxUSA® FREE Tax Filing, Online Return Prep
TaxLogic
TurboTax