When to Start Revising

I'm in the process of revising my epic fantasy novel that I wrote late last year and though I'd tackle a topic that comes up often when I'm revising.

I get asked pretty frequently, "When should I start revising my manuscript?"

And I have an answer that works for me personally, but it might not be the best answer for everyone, even though I think it's good advice.

For me, the answer to that question is easy: I don't start revising a manuscript until I finish another one. There are a few reasons I...