Free Excel Invoice and Profit Template - Version 3.0 While creating Invoices is a critical part of business, without knowing your profit, or loss, you may be taking some big chances. With our Free Excel Invoice Template & Profit Calculator We have taken the concept of an Excel Invoice Template we built a complete small business solution around it in one, simple to use Excel workbook. Simply enter your Customers on one sheet, along with their Payment Terms, Sales Rep and address information. Then, on the Item sheet create any type of Service or Material Item, enter the description Sales Price, Item Costs and taxable status.Once this information has been entered, you never have to type it in again, as all information is kept in the tables. Invoices can be created in seconds, by simply selecting from a drop down list of Customers. Once a customer has been selected, all Address, Payment Terms, Due Date, and Sales Rep are automatically filled in under the appropriate boxes. Entering Items is even simpler. Select an item from the drop down list, and watch how the Item Description, Price, Cost