Your site built on a content management system (cms) means that you can easily make edits and updates to your own site at any time, without having to call your "web guy" and/or pay a fee every time you want to change something.
The tools and features in these content management systems are so simple to follow you'll be able to maintain your own website even if you've never worked with one before.
There are more extravagant sites out there with sights and sounds to amaze and captivate you, but a CMS website design may be a smarter choice for your business... in Inbound Marketing, for search engines and humans alike, "Simple is Better!"