Taxes
Self-employment tax, quarterlies, deductions, and entity decisions, with 2025 constants and every assumption stated.
Tools in this section
- 001 Quarterly tax estimator Four payments, no April surprise.
- 002 1099 take-home calculator From contract rate to what lands in your account.
- 003 S-corp vs sole-prop comparison When the paperwork starts paying for itself.
- 004 Self-employment tax calculator The 15.3% nobody warned you about, itemized.
- 005 Tax set-aside calculator The percent of every invoice to move, from real math.
- 006 Home office deduction Simplified vs actual method, side by side.
- 007 Mileage deduction calculator Business miles into 2025 deduction dollars.
- 008 Safe harbor calculator The quarterly payment that makes penalties impossible.
- 009 QBI deduction calculator The 20% deduction most freelancers under-claim.
Guides in this section
- Freelance taxes: what to set aside from every invoice The real math behind the 30% rule, how quarterly payments work, and the safe-harbor trick that makes penalties impossible.