Originally Posted by Steven Lyle Jordan
If so... you are a rare bird, sir. Now, if I'd heard good things about a book, I might still buy it even if it sported a bad cover (in fact, I have). But if I knew nothing about the book, a bad cover would prevent me from looking any further.
That's pretty much how I see it too.
If a self-published author does not think his/her book is worth the effort to create a somewhat professional looking cover I have to assume the same is true for edititing, proofreading and layout.