I think you might like this book – “Podcasting for Beginners: Start, Grow and Monetize Your Podcast” by Salvador Briggman, Krystine Therriault.
Start reading it for free: http://a.co/193wx3K
Click and read
It’s very popular now to listen to podcast, every one today has a smartphone and people like it
It can make the profit for the one that has it when many subscribers join.
If you have a website or blog with ads on it, the traffic will benefit you
I have a blog and I am an affiliate, it can be good for me, I need to read more about it