The only source of knowledge is experience
-- Albert Einstein
If I had to give only one piece of advice in this first section of the book on audio for authors, it would be this:
Keep it short, make it sweet, and get it done.
You have audio. You probably have a book cover. You're all set. Using an online (and mostly free) tool called Headliner, you can easily...
If you have a podcast, you have some, well, power, authority, credibility. Just like if you have a book, you instantly have some leverage...
Finally, we can create ads for audiobooks! Here's the news. Here's a walkthrough of how to actually create an ad in BookBub.