Guides
Deductions
Lower your tax the legitimate way. Each guide explains what qualifies, how to document it, and where state rules differ.
What this section covers
- Mileage, vehicles and the current IRS rate
- Home office: simplified vs. regular method
- Health insurance and retirement contributions
- Schedule C, line by line
- 1099-NEC and 1099-K forms and thresholds
- Federal deductions some states don’t allow, such as California and the QBI deduction
New guides are added every week. Each one shows the date it was last checked against official sources.