Learning to edit

This wasn’t exactly my path to editing, but I certainly shared the reading — a lot — step. I didn’t focus on quality reading. But reading badly written material can be educational, too. If you’re looking for an editor, you might want to ask how many of the steps he or she took.

How I Became an Editor (and Advice If You Want to Be One Too) – Next Step Editing
http://www.nextstepediting.com/how-i-became-an-editor-and-advice-if-you-want-to-be-one-too/