I recently scheduled a host of staggered newsletters for my free book, and while only four have gone out over the last month, results have been mixed. Book Adrenaline got me an extra 300+ downloads, My Book Cave an extra 600+. The one that has disappointed me is HotZippy's two sites, Bargain...

When you're running promos for your fantasy book or series (free or paid), what websites/services do you find return the best results? I would consider good results in terms of raw numbers of downloads/purchases, and best bang for your buck.

Hi, people, I’ve always appreciated promo results other authors have shared over the years, so here’s my contribution. I published a psychological thriller trilogy called Winnetka Road on Amazon (only) in the summer of 2018. I promoted the first book free in July, 2018 when it had no reviews...