I've enrolled a book on KDP Select, but don't seem able to set the price to 0.00. I enrolled on KDP Select this morning, and this seems to be instantaneous. I'd assumed therefore that it should be possible (courtesy of the 5 days free promotion clause) to change the price accordingly, but (about six hours later) it still imposes the minimum $0.99 or £0.75 price restriction. Is this a timing issue (and after a certain period I'll be able to choose 0.00) or am I missing something? Any suggestions please?