Schedule C Mastering — Business Level 1
Business Level 1. Master Form 1040 Schedule C from beginner to expert, in any tax software. Line-by-line walkthrough, the home office and mileage deductions, how to maximize QBI, start-up costs, and the new OBBBA car loan interest deduction. Includes a 148-item master deduction and credit checklist, six worked case studies, and a 60-point quality review checklist. Current through tax years 2025 and 2026.