As a matter of realization they probably work twice as hard as the person that sees selling real estate as job because it's fun and they love to do it.
RETURN OF HERACLES (ROH) can be a game with much strength and a few weaknesses. http://www.engel-und-waisen.de/index.php/Dog_Games_And_Exercise_-_Teach_Your_Dog_Agility_When_Having_Fun_Playing_Games