There is a lot more to Internet commerce than setting up a storefront. You may wish to perform online payment transactions, obtain your own digital certificate, find a bank, or open an Internet Merchant Account.
For additional information about these topics and other topics related to electronic commerce, please consult the Ecommerce area of the Web.com Web site:
http://www.web.com/addons/ecommerce/
Information on obtaining an SSL certificate can also be found in this section.