by Natasha JokicBuzzFeedBuzzFeed StaffI'm a Senior Staff Writer at BuzzFeed covering pop culture, entertainment, and politics. Billionaire Jay-Z thinks billionaires aren't all bad. Kevin C. Cox / Getty Images Jay-Z is estimated to be the wealthiest musician in the world by quite some margin. Forbes currently puts his net worth at $2.8 billion. In real terms, he could spend $1,000 a day and not run out of money for over 7,671 years. Allen Berezovsky / Getty Images Where does all of Jay's money come from? For one, he's the cofounder and chairman of Roc Nation, an entertainment company.