Self publishers often find that selling copies of paperback books is much more difficult than selling e-books.In fact, some of them opt to publish on line but not bother to use print at all.
There are plenty of people ready to give advice about selling on line but not so many suggesting how to get books in shops or in libraries.
If you don’t mind adding to the five copies you sent to other libraries your local library will probably accept free copies, but if you can find a group of people who are interested in your kind of story you may be able to make some sales.
If your book is set in a particular location or a special period of history then you should be able to find people who want to read it, even if they do not know you as an author.
If you have a certain age group as a target (my first book was written for pensioners, especially my own mother) or people who enjoy a certain activity, like swimming or ballet or hiking, seek them out in places they frequent.
I have had a wonderful time talking to members of the WI as they are very appreciative of my family based novels. Public speaking is not too difficult if you are enthusiastic about your subject and you have a friendly audience.
Now to find a passage to read tonight!