Whether you need a freelance writer invoice template, a service invoice template for your software business, or a simple invoice template you can customize for your virtual assistant business, these templates use pleasing graphic design and include all the necessary sections required in a professional invoice.
If you are shipping products, including a packing slip with the shipment provides clear communication to your customers. Indicate what items are included as well as any items that were ordered but not shipped. Not only does a packing slip inform customers, it can also help reduce mistakes before shipping. This is intended as an addition to a sales invoice.