Principle objective of this article is to discuss Advantages of Online Invoicing. An Online Invoice or bill is a commercial document issued by way of seller to the buyer, indicating the products, levels, and agreed prices for products the seller has provided the purchaser. An invoice indicates the purchaser must pay the seller, according to the payment or check terms. From the viewpoint of a seller, an invoice can be a sales invoice. From the viewpoint of a buyer, an invoice can be a purchase invoice. You will find so many important benefits to online invoicing: Instant Delivery, Better Tracking, Professionalism, Better Auditing etc.