You will certainly hear from people who are hoping to exploit your naivety during the next couple of months, so be cautious.
What Anika said! And also, yes, beware of literally all sorts who'll see that you're new to Adultwork and take the chance that you're naive enough to fall for all kinds of nonsense. Look out for: "male escorts" who want to work "with" you (this will in some way, however complicated, involve them having sex with you for free - they might even want you to pay them); "photographers" who want to "help" you fill up your galleries with sexy pics and videos that would mysteriously end up stored on their camera's memory card and may not even be sent to you at all; potential clients who just wanted to tell you that all other girls do bareback-anal-2-hour appointments for ?30 so you should too; etc etc.
And of course, there's also the genuine newbie hunter who can't think of anything jollier than being an escort's first punter but don't have any intention of trying to manipulate or scam you at all. These guys can be worth a fortune to the new escort so just make sure they aren't mental and then go ahead with confidence.
Do you have a security buddy? Sorry if I've already lectured about this! But you could perhaps work with someone in your area to offer incalls on the same day near to each other (same hotel or whatever) and therefore provide excellent security for each other - that could give you the chance to see your first few clients without feeling totally alone or lost if one of them should be a bit odd. I know that's what I'd do if I started over again!
Most clients are wonderful - for all the grumping and fussing I do here at SAAFE about the bad'uns, they're actually a very small minority. But it's really important to have a decent security set-up so that you can avoid the few bad eggs and it can also help you feel more relaxed with the lovely ones and have a much better time generally. I think when you're new you're bound to lack confidence in your own 'escort instincts' (and I remember feeling worried about disappointing a client and getting in trouble with my agency or getting a bad review, like a big silly) so having someone reliable at the end of the phone is probably the best way to get started without too much self-doubt and panicking.
Anyway. Wishing you the best whether or not you go ahead and see the guy. Let us know if you have any other questions!