When I thought about it, being a successful model photographer might meet many of your requirements. For passive income, you can sell the rights to photos on a continuing basis. The rest speaks for itself.
Actually, there is a thread somewhere on the forums about it. Try a search, as I'm not sure where it is and I'm too lazy to find it.
Actually, there is a thread somewhere on the forums about it. Try a search, as I'm not sure where it is and I'm too lazy to find it.