Best way to generate passive income using email strategy/digital marketing. https://www.udemy.com/complete-email-marketing-with-free-tools/
Email marketing is still one of the most effective ways to grow your following and build your brand as a trusted authority.
You can do email marketing for increase product sales,for your business,to increase in traffic to website and increase your following.
you will learn how you can generate email and use that email for email marketing this all done using free software.you ll get free software so you can implement same method to generate income from this course. Even you ll learn about Affiliate site and to do product marketing.