This document lists various common business tax deductions and some unique examples. It discusses deductions for costs of goods sold, advertising, vehicle expenses, commissions, contract labor, depreciation, payroll/wages, interest expense, rent/lease payments, insurance, professional services, office expenses, repairs, taxes/licenses, travel, entertainment, utilities, and home offices. It also provides a few unusual examples of deductions claimed such as breast implants, beer, cat food, body oil, and money paid to a live-in girlfriend.