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.
NFL ref makes from $25,000 to $70,000 a season, working mostly Sundays. Other jobs held by some NFL refs include farmer, inventor and dentist. MLB.com says umpires get about $120,000 when they start out in the big league. NBA refs earn anywhere from $100,000 to $300,000 for an 82-game season.