So... what's the difference?
There are various definitions of and opinions about what each type of editing entails. For example, some people refer to copyediting and line editing interchangeably. Here are my personal definitions:
That's great to know, but which kind of editing do I need?
Without speaking to you and seeing a sample of your manuscript, I can’t adequately answer this question for you. However, if you need help determining which service is right for you, I can help!