Find out the steps to take when you're buying an existing business and the pros and cons of acquiring an existing business. Invoice evidencing such credit card sale to the card issuer until the goods or services purchased with the credit card have been delivered to the purchaser.The objective of the Cash Handling process for credit cards is to ensure that all credit card transactions are received, validated, batched and reconciled. We'll discuss seller financing for business and how it works, as well as highlight the pros and cons for both buyers and sellers.