Evidently you can get rich making wine. You just sell out each time you make it big.........
https://www.winespectator.com/webfeature/show/id/EJ-Gallo-Buys-Dave-Phinney-Locations-Wine-Brand
https://www.winespectator.com/webfeature/show/id/EJ-Gallo-Buys-Dave-Phinney-Locations-Wine-Brand