Kitchen Islands: Options for Your Kitchen Space. Add a kitchen island to your space and earn seating room for guests, or even extra room to prepare food.
NBA Referees. According to TheRichest.org, NBA referees earn an average salary between $100,000 and $300,000 annually as of 2011. Since NBA referees are full-time referees and work 82 games during the regular season, they earn approximately $3,300 per game. Per diem expenses for food and travel expenses are paid by the league.
They make good money. A National Football League ref can make anywhere from $25,000 to $70,000 a season, although since most of the games are on Sundays, they can also have other jobs during the week. (We'll get to those in a minute.).