Yes. Not so much for business or personal for me.
One job I had required me to be a process server, which led me to some "interesting" places and down some dark alleys. I got a lot of advice but one of the best pieces of advice was to pay attention to my gut. If you are walking into a place and you feel the hairs rising on the back of your head or on your arms, or it just doesn't "feel" right, pay attention and don't go in there.
I'm still here.