It pays to stay informed. You don’t want to operate in a vacuum.
Amazon has a newsletter for Kindle Digital Publishing that you can subscribe to. The newsletters is now being published monthly. The last issue included useful tips, an author interview and links to help KDP files. In the future the newsletters might contain information about changes to the terms of agreement and information about new Kindle-related services Amazon is working on. To read newsletters from prior months, click here.
Amazon also maintains an author and publisher centric Facebook page. It’s fairly active and a good place to pick up tips or ask for help with using Kindle Digital Publishing.
Time permitting, check out other sites for information and news. You might learn about a new market for your books or something else that can help you in the long run.