The first step in the check out process gives the customer the option to become a registered shopper. Their information will be saved to expedite the check out process for future purchases. For security purposes, their credit card number is not saved. After entering their billing and shipping information, they are presented with payment options, credit card, purchase order, check, etc. These are totally customizable at any time.
Credit cards are obviously the most common method of payment.
You can process them offline when you receive the order, or you can integrate real-time credit card verification with a provider, such as IC Verify. If you can imagine it, we can create. If you want to sell it, we can get it online for you.