How many recommendations can I make on digital books on overdrive?
Thanks for asking! I'm glad you've gotten into making recommendations through our Overdrive site. As of December 2016 or so, our Overdrive settings limit patrons to 5 digital title suggestions per account per month. This lines up with the limit of 5 per month on suggestions for purchase for physical items like print books or media. From my experience, the limit seems to reset around the first of the month.
The count for the limit should apply on recommendations submitted in a given month rather than "active" / yet to be ordered recommendations. So there's no benefit to dismissing a recommendation for a title that's been acquired. I believe that you can dismiss a title from your recommendation list, if you choose, without affecting the status of a hold on the item... but just to be on the safe side, I wouldn't test it with a title you're particularly excited for!
Thanks again for asking, thanks for your help in developing a robust ebook collection, and thanks for using AskOPL!