Yes, Publishers of books and monographs often require authors to create their own indexes! In fact, if a publisher offers indexing there may be a clause in the author contract that indicates that the publisher will deduct the cost of preparing the index from author royalties.
Yes, Most journal publishers require the author write a short abstract to accompany the article.
No. Unlike Research Universities, UWG does not have a professional editor on staff to proofread or prepare indexes. That being said, there are some resources that may be consulted highlighted below.