I just noticed that he's using GoDaddy to mask the actual host of his website. So, I looked to see what it really is. David is using a free trial period and a generic website template from a $4.99 a month website hosting company.
The website's real web address is actually:
http://promopublishersllc.homestead.com/
This is the root page of the hosting company:
http://www.homestead.com/
The phone number now being used on the website is a cell phone that once appeared on this page which was caught by Google's cache but has since been removed on the current live page:
http://74.125.47.132/search?q=cache:...26from_uri%3D/
Go to the front page of that website and search on property 3021. You'll find the "business offices" of David's Promo Publishers LLC. He's the owner of a residential condo on the 17th floor of a distressed building. David is renting out this condo for $2350 a month on a six months period.
So, the 'business address' is also an attempt at corporate transient rental housing. If he's renting it out he is neither living there nor working there. He's using the address as a maildrop. His real address is in Alpharetta.