I stuck it on my website, and it's selling (though much slower than I'd like). Still, it's something that will bring in passive income going forward, and now I can claim to be an expert in something.
Then, there was that one time when I wrote 30K words in one session. For once, I was very proud of my work... yet I deleted the file shortly after by mistake. ?#@*&%!
Lesson: Always make backup copies of your writings.