Here is the page you are taken to immediately after filling in your Auctiva ID, password, and email address....
http://auctiva.com/ebayutil/tokencreate.aspx
There is NO indication that preferences need to be set first, and NO indication that they will put anything in your listings. But they do, the second you generate the token. I DID NOT authorize them to do anything. They took it upon themselves to do it WITHOUT my permission.