I've just paid $5 to have my site visited 1000 times at LinkGrand. I'll come back when the 1000 visits are used up and tell you if I got any sales! LinkGrand and similar sites pay people to look at sites, in this case about .3 of a cent. Lots of people do this paid-to-click stuff for extra money, so that is how your 1000 (or more) visits are guaranteed.
Here's the link if you want to check it out:
p.s. My 1000 links came and went, and no sales resulted. It might take more than 1000 views to get a sale of my book. Perhaps something in a more popular genre would get better results.