A home -- even a one bedroom apartment -- can be pricey in Los Angeles, but a one- bedroom, onebathroom home in the city of Alhambra in Los Angeles County has been posted for sale at the reasonably affordable price of $250,000. But that’s not what is attracting attention; it’s the fact that the 'Troll Apartment,' as it is known, is located under a road and over the arch of a bridge. Douglas Lee,…