The system can be run on most Web hosting services. We recommend dedicated or VPS hosting for small businesses because of its available resources and pricing.

Shared hosting can be used as well, however, watch out for potential resource problems as the Web server is shared by hundreds if not thousands of sites.

Shared hosting is where more than one website "resides on the same server". That's the definition of shared hosting in a nutshell according to Wikipedia.

The main benefit is that it's cheaper than other kinds of hosting.

The most basic of Web hosting types. With shared hosting, numerous Web sites are shared on one server. While an economic solution, they typically cannot handle large amounts of storage or traffic.

The primary advantage of shared hosting is that it is much less expensive than dedicated hosting.