Are there any particularly annoying formatting bloopers on Kindle that anyone has come across? Things to avoid?
I've only sent one thing of my own to the Kindle** was some text to see how it would look, so I haven't formatted anything for myself or with 3rd party help.
However, it strikes me that there's one thing that may cause problems, which is the extra line between scenes within chapters. Given that the reader can alter all the things I've listed in my previous post, the author has no control over where the blank lines might appear; there is thus the danger that the reader might miss one or more of them, particularly if they appear at the bottom of a page. (I don't know how the Kindle handles a blank line at the top of the page, but unless it's "swallowed" by the display routines, it should be more obvious than if it was the last line on the previous page.)
Perhaps the asterisk one finds in books (and the # found in manuscripts) ought to be in the published ebook, to help the reader see the change in scene.
Now it so happens, for an obscure reason to do with my frame story, that all the scene breaks in my main story are numbered (I, II, III...), so I shouldn't have this problem; however, I'm not sure whether the Kindle format has the equivalent of keep line with next, as I'm not sure I'd want a IV, for example, to sit on the last line of a page rather than directly above the text.
** - If you email a Word file, say, to your Kindle account, it's formatted for you.