I don't know if there are other astrologers who get on the phone with someone with only a few minutes notice. I started this about fifteen years ago. I called it "The Bat-phone" until I was advised not to do that. Point being, when trouble is afoot, you pick up the Bat-phone, which is always answered.
I love this kind of consulting. You're ready, I'm ready; let's go! I've always offered this because it's an option I'd want to have. I have an impulse and I want to act on it. I don't want to be told to take a number and wait in line. Er... no.
I realize this does not suit everyone. I'm mutable. I don't care. I can adapt. But there are a lot of people who have to get their nerve up in the first place. And if they are made to wait, their fire will dissipate.
I think this is a fire sign thing in general. Fire signs have a lot of faith in that regard. If it's meant to happen, it will. So they ask if I'm around. If I am supposed to be, we're on the phone within an hour.