How did Al Davis make his money?

Al Davis made his money primarily through his ownership of the Oakland Raiders, an NFL team he purchased in 1966. His business acumen and innovative strategies, including aggressive marketing and a focus on fan engagement, helped the franchise grow in value. Additionally, Davis was involved in various ventures, including real estate and sports management, which contributed to his wealth. His legacy also includes significant profits from the Raiders' relocation and successful branding over the decades.