The amount of money Song Seung Hun makes off renting his building has been catching the attention of fans. 

On KBS 'Entertainment Relay' that aired on the 11th, star's real estates were discussed. 

One real estate agent claimed "Song Seung Hun's building rakes in about $50,000 per month."

These real estate investments by stars have ensured their flow of money when they are away from the entertainment world.