The Genesis Framework offers a simple route to the website you want. Adding the Genesis Framework, and your chosen Child Theme to the WordPress web system helps novice designers create robust, fully-functioning e-commerce websites with thousands of easy to install widgets, giving you nearly unlimited functionality and flexibility. (read more) – or visit the StudioPress site.
Authorize Net – Payment Gateway for online Transactions
I use Authorize Net for processing online and offline credit card transactions. It works seamlessly with Cart66 Shopping cart. Features include online processing, virtual terminal for processing other transactions, and mobile processing. Authorize Net is used by more online merchants than any other platform, and they offer 24 hour support, 7 days a week.