"All the money I get from the Celtics, I put it in a savings account," Tatum told Maverick Carter on an episode of Uninterrupted, per CNBC. What Ainge would have changed about last season's C's Knowing a future in the NBA isn't guaranteed, Tatum instead lives off the money earned from his several endorsement deals. "When I picked my agent, I told him I want to do as much off-the-court stuff as I can," Tatum told the Boston Globe back in March.