In 2007, he bought the bankrupt Lajitas Resorts in Lajitas, Texas, as a real estate investment.
In 2007, he co-founded an independent record label, Music Road Records, with Jimmy LaFave and Fred Remmert. He collects music memorabilia, and has a collection that includes autographs of Jackson Browne and drumsticks signed by the Eagles.
Warren has hosted the Cherokee Music Festival since it began in 2007. It is a nonprofit event to raise money for children’s charities and local public service organizations.