The final step is to prevent future invoice disputes with high-value clients by improving your invoicing process and practices. You should be clear and specific about your service scope, deliverables, quality standards, and deadlines, and get them in writing before starting the work. Additionally, it’s important to communicate regularly with your client throughout the project and send your invoices on time. Consider using online invoicing tools or software that can automate, track, and manage your invoices and payments. Also, don’t forget to follow up with your client before and after the payment due date, and establish a clear policy for handling invoice disputes that you communicate to your client in advance. Ultimately, by following these steps, you can handle invoice disputes with high-value clients effectively and professionally, while preserving your reputation and relationships.