Look for a new job when you don't have to look for a new job.
Don't start when everybody else starts.
Start when nobody else starts.
Don't start when everybody expects you to start.
Start when nobody expects you to start.
This will give you a headstart on everybody else.
I know. It sounds trivial.
It's so trivial that no one ever really does it.
We all start when we're told to start...
[Related: I stopped giving a shit a long time ago]