Invoicing is a crucial aspect of running a successful custom portrait business. It not only helps you get paid for your services promptly but also establishes a professional image and ensures a smooth financial flow. Understanding the basics of invoicing and following a structured process can significantly streamline your business operations. This article will guide you through the steps to create an invoice for your custom portrait business, provide tips for optimizing the invoicing process, and highlight important legal considerations and common mistakes to avoid.