Mark Cuban shares his lack of retirement plans: I’ll work ‘until I drop’ [Video]

When Mark Cuban was in his 20s, his goal was to retire at age 35.

These days, the 66-year-old billionaire entrepreneur and investor says he has no imminent plans to stop working. “I’m just getting started,” Cuban tells CNBC Make It. “There’s no retirement in my book. I’ll go until I drop.”

Some of Cuban’s recent career moves have prompted speculation on the subject, from announcing his departure from ABC’s “Shark Tank” in 2025 to selling his majority stake in the NBA’s Dallas Mavericks. He’s acknowledged that he’d like to spend more time with his family, but that doesn’t mean he’s retiring, he says.

Rather, Cuban says he plans to shift the majority of his working hours toward running his direct-to-consumer online pharmacy, Cost Plus Drugs. “It’s something I’ll keep on working on for a long time,” he says.

Cuban initially invested $250,000 into Cost Plus Drugs after its founder and CEO, Alex Oshmyansky, cold-pitched him on the idea …