Mikhail Prokhorov is embarking on his sixth year as the owner of the Brooklyn Nets. This season they’ve fired both the coach Lionel Hollins and general manager Billy King, as they look for a fresh start. Reflecting over his past mistakes, Prokhorov wrote an open letter to the fans expressing the eight lessons he learned. One of them was extremely important, the billionaire learned that money can’t buy everything, including his attempt to practically spend his way to an NBA championship.