Both the publishing and marketing processes require a lot of what is called 'grunt' work. Finding people to review your book (people who have a name worth paying attention to), Submitting your works to libraries, Bookstores, online stores, etc,
and generating an interest about you, the author. Because people can be extremely fickle in what they are interested in, these can all be considered a daunting task at times.
I guess it gets easier when you consider such work 'fun' (something I have to work on). You also have to realize that you may have to give out a certain amount of copies for free simply so people will know about you. I remember giving a friend a copy of my first book because I wanted feedback about how he felt about it and his mother burned it because she thought it was evil. Sad as I was about that, it made me remember that there is no such thing as bad publicity. I feel that it does not matter how people feel about you, whether they like you or not, just as long as they pay attention to what your trying to do. I'm pretty sure that when people start reading my books, more than a few of them are going to be quite upset. At the very least my works will be called 'sacrilegious' and frankly, I don't care. So long as people read them!