Practical tax resources
Use a dated guide, adapt a worksheet, or try a free tool.
Tax calendars and year-end preparation
These editions were checked October 15, 2026. Follow each guide's official sources for later changes.
2026 Quarterly Estimated Tax Due DatesCalifornia Estimated Tax Payments: 2026 Calendar1099 Tax Season: 2026 Income, 2027 DeadlinesReconcile a PayPal 1099-K with Your Freelance RecordsMileage calculator and 2022–2026 rate history2026 freelance writer deductions and records checklist
Worked examples and practical guides
Home office deduction examples: renter, homeowner and part-year use
Compare the arithmetic and records behind each method before deciding which deduction is available.
SEP contribution calculation: a $100,000 Schedule C exampleFollow the self-employment adjustment, reduced contribution rate and employee-deferral comparison for 2026.
Business mileage log example: classify trips before applying the rateA six-trip extract demonstrates business, commuting and personal miles across the two 2026 business mileage rates.
Year-end accountant handoff: a reconciliation packet for freelancersOrganize income, expenses, records and open questions so your preparer can trace totals instead of rebuilding your books.