Long tail theory is that selling large numbers of unique items at low levels is profitable. http://en.wikipedia.org/wiki/The_Long_Tail

Well, I'm going to guess that since he ran for office he probably votes. From the article: "Terrill bought his bar four years ago knowing nothing about the restaurant business. He ran unsuccessfully for lieutenant governor of Georgia in 2006. He's had ongoing problems with people breaking into his bar and stealing things, but it was the day care center problems that spurred him on to create the robot." The robot also seems to have attracted some attention so maybe people in the city will be asking their officials why there aren't more police around these areas...