
In contrast, if you offer professional service, you can send your invoice at the end of the project. With an invoice, you can request payment from customers before or after selling a product or service.įor example, an online shop that sells gadgets, will send you an invoice for payment before shipping you the product. How to create an invoice with SimplebksĪn invoice is a professional document that includes a list and the total price of products purchased and services rendered to a customer.

How to create an invoice with Microsoft Excel.

