I don't consider that house he is selling a 'mansion',...I haven't seen the listing,...don't know what he's asking but....
Here's some facts on it, it's just a regular house IMO.
{Compliments of Zillow.com}
3340 Mill Valley Dr Dacula GA 30019
4 beds, 4.0 baths, 3,343 sq ft;
Public Facts:
Single family
4 beds
4.0 bath
3,343 sqft
Lot 16,552 sqft
Built in 1999
Tax assessor's value: $451,700