Tax education for self-employed workers
Learn how business deductions and records work before tax time
Cadus helps you keep business records organized. These guides explain common IRS concepts in plain English so you know what to track, what to ask your accountant, and where Cadus fits into the recordkeeping work.
IRS-backed tax education
Home Office Deduction Guide
A plain-English guide to the IRS business-use-of-home rules, built for U.S. freelancers, contractors, and small business owners who want cleaner records before tax time.
Based on IRS Publication 587 (2025), IRS simplified option guidance, and Form 8829 instructions available in 2026.
Home office calculation method
Simplified Home Office Deduction
The simplified option can make home office calculations easier for eligible self-employed workers, but the space still has to meet IRS business-use requirements.
Based on IRS simplified option guidance and IRS Publication 587 available in 2026.
Actual expense method
Form 8829 and Actual Home Office Expenses
A self-employed recordkeeping guide for users who may need to allocate real home expenses instead of using the simplified home office method.
Based on IRS Form 8829 instructions for 2025, including updates available in 2026.
Schedule C education
Schedule C Expense Categories
A practical guide for freelancers, contractors, sole proprietors, and small business owners who need cleaner income, expense, receipt, and mileage records before filing.
Based on IRS Publication 334 (2025), IRS Schedule C instructions for 2025, and IRS Publication 463 guidance available in 2026.
Estimated tax education
Quarterly Estimated Taxes
A plain-English guide to the records behind quarterly tax planning for freelancers, contractors, and small business owners with income that is not fully withheld.
Based on IRS Form 1040-ES information, IRS estimated tax guidance, and IRS Publication 505 (2026) available in 2026.
Mileage deduction education
Business Mileage Deduction
A guide for rideshare drivers, delivery workers, contractors, real estate agents, consultants, and other self-employed workers who drive for business.
Based on the IRS 2026 standard mileage rate announcement, IRS standard mileage guidance, and IRS Publication 463 available in 2026.
Cadus educational content is not tax, legal, or accounting advice. IRS rules can change, and individual facts matter. Review official IRS guidance or speak with a qualified tax professional before filing.