You might want to check out Dreampreneur.com and their YouTube.com channel for updates about online marketing - side hustle meetups in San Gabriel, California. These meetups bring likeminded entrepreneurs and the future minds of bright people who see themselves as a future "side hustle millionaire."
If you're in California and feel you have the business muscle for the hustle, do the transformation business work and attend his event and see how much priceless online side hustle knowledge you walk away with.