If you have product that you would like to sell online, an easy method to create a payment option for checkout is through PayPal.
Simply, set up a PayPal account, which is free of charge, and then follow this link to their Online Logo Center for the button. Click Here For The PayPal Online Logo Center link.
Here is what one of the options looks like...
There are a few to choose from so you can choose what will work better with your website.
PayPal is a great way to simply take many different forms of payment, including credit cards. This ensures payment has been received and there are minimal fees to retrieve your money from PayPal.
PayPal is a great service. I highly recommend it!