I've been blessed up to this point to have sold a decent number of books while conducting minimal advertising. In that regard, I'm somewhat a victim of my own success: my books started selling well right out the gate (something like 10,000 in the first six months), with practically no marketing, so I didn't really see the need to promote. (I did, however, eventually start a mail list, which should really be on the first page of the self-publishing playbook.) Of course, I was more prolific in terms of writing my back then as well - starting in March 2013, I think I wrote six books during the first 9 months of my indie career. Since then, I've gotten much busier with the day job, and my writing has suffered from a productivity standpoint. (Needless to say, it's a lot easier to stay top-of-mind with readers when you're publishing a new book every two months or so.) Oddly enough, although I didn't do a lot of advertising historically, I did have a monthly marke...