Wow, I just a saw a YouTube video of Flea's house for sale in the LA suburb of La Crescenta for sale. Super nice house. Strangely I also saw Steve Vai's house for sale in LA at the same time. Also super nice house.
Who knows, maybe one of the band members invested in a successful startup, or is an LP for a VC that did. That’s not unheard of for the entertainment industry. Most people wouldn’t have pegged Ashton Kutcher as an investing genius, but he has been highly successful.