Editing your book is different than proofreading. You need to pay attention to style as well as grammar when you are copy editing. It pays to have good grammatical skills and have a certain style that you use for your book when you are considering your own editing.
Most of the self publishing sites offer copy editing services for an extra charge. This can help you over awkward phrases that you may not notice in your book as well as other grammhttp://harmonpress.com/wp-admin/post-new.phpatical problems. You may say something in a way that you do not mean when you are writing a book. It may make sense to you, but not to others. A copy editor will read your book with a fresh pair of eyes and pick out errors. They will also pay attention to style and pick out any spelling errors that they may see.
Copy editing for a book will also help you tighten up your book. In some cases, they will eliminate repetitive sentences or words that bog down your book. Copy editing is not like regular editing, which will take a good look at your book to see if it makes sense. An editor will usually make suggestions for broader changes than a copy editor.
It is a good idea to pay someone to edit your book. You should at least hire someone to copy edit the book. You can go to Elance for an editor or you can pay for the editing from a self publishing company. Copy editing costs more that proofreading, but can be the best money that you spend when you are self publishing a book. An editor can make sure that everything in the book makes sense and is written in the same style.
Writers often have a habit of switching styles when they are writing. Most writers have a creative streak that causes them to write. It can be difficult for them to edit their own work just as it can be difficult for them to proofread their own work. Spending the money for editing is one of the best investments that a writer can make.