This is something traditionally published authors don’t usually have to think about, because they have someone else to handle it for them. As a self-published author, it’s all on you, and sometimes it’s the little things that will keep you up at night.
If/when you sign with a publishing house, they own the copyright to your book for the duration of your contract. Therefore, you cannot register one for yourself. When you’re on your own, however, it becomes a serious concern. Now, the Copyright.gov website says that technically, you do not need to register for a copyright because you automatically own the copyright to your work as soon as it is completed and finalized. But they will also say that to sue someone for infringement to the full extent of the law, it kinda sorta helps to have one. Moral of the story: Register a freaking copyright.
Yes, it happens. To everyone. As an Indie, it’s up to you to send the DMCA takedown notice and follow up to make sure the webmaster or server administrator complied with your request. That means, you actually have to know what a proper DMCA takedown notice looks like, because it’s not enough to send an angry email saying, “Hey, TAKE DOWN MY BOOK!” Google it. You’ll find lots of samples of them like this one shared by Sara F. Hawkins, Attorney At Law.
Yes, you set the price for your book when you first published it. But the cool thing about being an Indie is that you can change it any time. The questions you’ll then ask yourself will be: Do I want to? Should I? And if so, how, and for how long? The answers will depend on a lot of factors. Sometimes, you might find that a certain price point is just not getting you the number of sales you were hoping for. Sometimes you might want to run a sale and temporarily drop the price by 50%. And sometimes you might want to set it as completely free for a limited time (or permanently) to attract new readers. Keep in mind that it takes a few hours to a few days to get the price changed on all storefronts, so if you’re running a limited time promo, plan for that ahead of time.
Should not happen if you did your job right during production and setup. However, sometimes things slip through the cracks. Sometimes a change is necessary because an error is so glaring it’s getting pointed out in reviews. And sometimes you want to give an old book a spruce-up, freshen the cover, or something. If that happens, You definitely should go back and update the interior or cover files. A traditionally-published author could never do that, because they have no control over it. As an Indie, you have the power, and with that comes the responsibility to make those changes.