How often can I promote my books? If you have recently used our service for a title, you will need to wait 30 days from the promotion day to use our service again for the same book. If it is a different book, then there is no need to wait. By Team Dango|2021-09-30T16:27:40+00:00August 30th, 2021|Editorial Questions|0 Comments Share This Story, Choose Your Platform!