Top 10 Deductible Business Expenses for 1099 Freelancers (Schedule C)

Every dollar you legitimate write off on Schedule C reduces both your income tax and your 15.3% Self-Employment tax burden. Here are the top deductions every independent contractor should document:

1. Home Office Deduction: Simplified method ($5/sq ft up to $1,500) or actual itemized percentage of rent and utilities.
2. Business Mileage: Standard IRS mileage rate (67 cents per business mile) or actual vehicle maintenance expenses.
3. Software & Subscriptions: Adobe Creative Cloud, GitHub, Google Workspace, Slack, and web hosting.
4. Hardware & Tech Equipment: Laptops, monitors, smartphones under Section 179 depreciation or direct expensing.
5. Self-Employed Health Insurance: 100% deductible as an adjustment to income on Form 1040 Schedule 1.
6. Solo 401(k) and SEP IRA Contributions: Pre-tax retirement deductions reducing overall AGI.
7. Professional Education: Courses, books, and conference tickets enhancing current business capabilities.
8. Internet & Cell Phone: Deductible proportion dedicated exclusively to business operations.
9. Professional Services: CPA tax prep fees, legal contracts, and bookkeeping software.
10. Qualified Business Income (QBI): The 20% Section 199A pass-through deduction on eligible profits.