Herein lies the issue, from a hobbyists perspective. Let's say, for the sake of argument, you are not a single man. Arranging opportunities can be difficult, but not impossible - it can be done ahead of time, but sometimes the though of having to wait three weeks can get . . . frustrating. But then sometimes, a totally unexpected window of opportunity opens that day. Fortune smiles upon you. You have a window of time, you have the desire, you have the means. Now all you need is to find someone to properly enjoy the time with.
This is where someone has to be very careful and READ a Provider's website, assuming she has one. If they ask for references or a p411 handle (which admittedly makes the screening process about a 1/10th as long as it could be) and you don't have a P411 handle, you're pretty much SOL because the chances of your references answering in a timely fashion for YOU, the hobbyist, are pretty damn slim. If they say they prefer a certain amount of advance time, RESPECT IT - If a lady wishes at least five or six or 24 hours notice and I can't make that work, I'm not going to ask. I don't consider it extraneous at all for a provider to ask for whatever time she requires to make an appointment. It's your business, YOU run it how YOU see fit, and if I cannot make things work according to your schedule, then that is my problem, not yours.
So for me, it's often that case of the stars have aligned, I have the time means and money . . . and a provider who is worth seeing is simply not available because of the short notice. I run into it time and again. It happens, it's understandable. And I'm not about to go slumming, because no matter what my mood, I have finally trained myself that the big head is ALWAYS in charge