Frankly, you can actually earn two times or even more from your blog without irritating your readers or bombarding them with emails.
How?
You can do so by displaying the single line of advertising message (with strong call to action) at the top or bottom of your blog.
Whatever content your visitors are reading in your blog, the advertising message keeps on following them by sticking at the top or bottom of your blog and entices them to click on it.
This is a non-obtrusive way to grab visitors attention and increase your sales & affiliate earnings...
...and here is the easiest way to accomplish it: