Filing your Schedule C doesn’t have to be stressful. Whether you’re a sole proprietor, freelancer, or independent contractor, understanding the basics can save you time and money.

What is Schedule C?

Schedule C (Form 1040) is used to report income or loss from a business you operated as a sole proprietor. It’s one of the most common tax forms for self-employed individuals.

Key Changes for 2026

  • Standard mileage rate has been updated — make sure you’re using the correct rate
  • Home office deduction thresholds remain the same, but documentation requirements have tightened
  • Digital payment reporting via 1099-K now applies to transactions over $600

Common Mistakes to Avoid

  1. Mixing personal and business expenses — Keep separate accounts
  2. Missing deductions — Track every legitimate business expense
  3. Poor record keeping — Use a tool like Simple-C to stay organized year-round

Stay Organized with Simple-C

The best way to avoid tax season stress is to keep your books organized throughout the year. Simple-C automatically categorizes your expenses and generates tax-ready reports so you’re always prepared.