Business Expense Items are any items that are purchased by a business to support its day-to-day operations. These expenses often include things like office supplies, equipment, utilities, rent, payroll costs, travel expenses, marketing materials, and any other type of expense that is required for the company to function properly. Expenses are an important part of running a successful business since they can make the difference between profitability and loss. Properly managing these costs is key to ensuring that your business runs smoothly and stays within budget.