OIT offers WordPress sites in one of two ways: Blog sites and Hosted sites. Blogs sites are free and are simpler to setup with limited options. Hosted sites are more complex and offer more options, most notably a customizable URL. Hosted sites are $300/year.
A comparison of the two site options are below.
Basic Form Options
Your NCSU URL
Optional Shibboleth authentication
Advanced Form Options
Plugin and theme customization