I have been doing so well this year, and pretty much resisting temptation. Kobo helps in this by sending out special offers where you have to wade through 99 pages of books, almost all of which are of no interest to me whatsoever, so I just don't look.
But they are getting cunning. Today they sent me a collection of best sellers at $A4.99 each (a good price in Oz). There were only six pages of books to go through, and I bought four (books, not pages).
My only justification is that two are by authors I like, and I haven't read these books, and two are books I have long meant to read but have never got to.