A charge-back is a credit card processed sales transaction that occurs when your customer disputes the transaction or when you fail to follow proper credit card acceptance and authorization procedures. The result of a charge-back is a reversal of the transaction, the withdrawal of funds from your merchant account and a deposit of the funds back into your customer's account.
There are many factors that will determine what kind of fees you are charged by your processor. There are some factors that you can control, such as limiting charge-backs and fraud exposure, and others that you cannot, such as how you accept payments, your industry, and your physical business location.
The old basic billing and payment system not only took significant time to generate invoices, but due to traditional mailing methods, it also took a great deal of time before the invoice was in the hands of the client.