Oh, yes. Of course. You won't see it yet.
I think that is crucial, Tee. If the link is just discretely placed, and you don't say things like, "if you liked this post, please give me some dosh" then the reader can ignore it.
I suspect people will be divided into those who know what it is and are happy to click on it. And those who don't even notice it is there and have no idea what it is.
For me, it is a way of spreading the lurrve, and when I think that I used to spend at least £5 a month of glossy mags that were often badly written - I'd rather divide my fiver between some bloggers who have written bloody good posts that month.