I published my first ebook Hamelin's Child in February this year.By March, I was thinking of having a play with advertising and I paid for a small slot on a large-ish review site - I think the ad came and went a few weeks later with no noticeable increase in sales. I wondered whether it was a waste of money, but thought I'd try once more. So I picked Ereader News Today and paid for a book-of-the-day sponsorship. It cost me $25, but it doesn't seem much when you convert it to sterling. Got an email saying the next slot was October and I promptly forgot about it.
The ad went live yesterday (26th October). Not sure what time as it's a US site. I came home from work early as I was going out to the theatre that night and logged on about 3.30pm to nothing much. By 4pm, I'd sold over 100 books on amazon.com and by late that evening I'd sold over 300.
#180 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
#45 in Books > Mystery & Thrillers > Thrillers
#53 in Kindle Store > Kindle eBooks > Fiction > Genre Fiction > Mystery & Thrillers
Probably the highest ranking I'll ever see, but there it is. Sales are still trickling in more than 24 hours later and I'm hoping that I'll get more from sample downloads that convert to sales.
Trouble is, amazon.com has decreed itself the custodian of my US tax liability. Until I can get a foreign-national US tax id, amazon keep 30% of my earnings against tax. To get a tax id, I have to get a letter proving sales. Can I get one out of amazon? No - they are still talking with the IRS about what is legally acceptable (despite the fact that other UK authors have got letters out of them). Whereas the other US ebook distributor smashwords apparently automatically sends out tax letters once sales reach a threshold.
So if you have the urge to buy one of my books, please go to smashwords instead of amazon. That way I can get all of my money back from amazon instead of letting them keep it for the IRS!
Update 3rd November - I reckon I've sold close on 450 ebooks as a direct result of one advert and they are still trickling in slowly.