When you try to do something big its hard to fail completely.
Being able to quit things that don't work is integral to being a winner
I always point people to the article '1,000 True Fans' by Kevin Kelly. If you choose your thousand ideal customers or readers properly and find the single author blog that targets that audience, you never have to do any more marketing. You're done. That is a lesson that very few product developers and marketers have learned, and it's unfortunate.
To make a bestseller, there are more customers than just your customers: Selling to the end-user is just one piece of the puzzle. In my case, I needed to first sell myself to the publisher to get marketing support and national retail distribution.