Here's the business model you should Study and Re-Create for a variety of Niche professionals...

One industry at a time...
http://case-studies.sitesell.com/loc...ness-john.html

Maybe as a SiteSell consultant...
http://services.sitesell.com/

Or maybe a Professional WordPress Blogging service for the Dental industry...

Always do your Homework and research well before starting Anything...

Go to the source and Ask Lots of questions and Test, Test and keep Testing until perfection...

Dental Forums, Social networks... Google out Dental Blogs etc. etc... And Chat...
http://forums.studentdoctor.net/forumdisplay.php?f=55
http://www.dentalfearcentral.org/dentalforums.html
http://studentdentist.ning.com/
http://patientdocs.net/

Don and Mark mentioned...
http://www.jerryjonesdirect.com/

Some very interesting Investing to Think about...
http://seekingalpha.com/article/2042...e-looks-bright

Phil