Mark Cuban Sells Dallas Mavericks After 24 Years of Ownership

• Mark Cuban purchased the Dallas Mavericks in January 2000 for $285 million.
• Cuban transformed the team's culture and performance over 24 years.
• Cuban revealed that the sale taught him 'hard lessons'.
• The sale was finalized after a lifetime of pursuing multi-million-dollar deals.
• The Mavericks are now under new ownership.