In today's digital age, electronic invoicing, or e-invoicing, has become increasingly popular among businesses looking to streamline their financial processes. With e-invoicing, companies can send and receive invoices electronically, simplifying the payment and reconciliation processes. However, e-invoicing offers more than just convenience. By leveraging discounts and promotions, businesses can further optimize their invoicing strategies and drive customer engagement. In this article, we will explore the basics of e-invoicing, understand the role of discounts and promotions, discuss strategies for implementation, highlight best practices, and evaluate their impact.