I saw Carmenblonde in December and have much the same thoughts as yourself. I think I had seen this advice on her earlier too, but think I forgot about it by the time I booked her.
I had been researching her for a while beforehand and given the good reviews on Adultwork and the amount of websites she's listed on, how could a punter go wrong?
Well...
Communication was mixed to say the least. Initial booking went okay, but then there was continual texts and a phone call to try and upsell me for a duo. Given I hadn't experienced Carmen at that stage, I was more than apprehensive about a duo.
Finding her building was easy enough with clear directions. Upon entry, she was pleasant enough and looked stunning - beautiful body, pleasant enough features (apart from the ridiculous eye lashes), and a nice big set of fake jubblies. However, I was far from convinced that it was the lady I thought I was booking.
Now, looking at all her pictures on her profile on Adultwork after the event, I am convinced that the photos show two different, but similar, blondes. The latter photos were of the lady that I met on the day. I have a couple of suspicions of this apart from the photos - multiple ladies working out of the same venue, and other reviews that refer to Courtney being Carmen (or rather both being advertised as Carmen).
I didn't mind so much with a switch (if one indeed took place); it was the service that I found poor. In my punting experience I've come across four types of ladies: those such as Ella and Carla of House of Divine who literally jump on you from the moment you're in the door; those who take a little bit to warm up but otherwise offer a great experience (such as KarolinaManch); those who are rather mechanical; and those who are just plain awful (drugged or otherwise).
Carmen fell into the third category. She neither offered a half-decent GFE experience (no kissing, no OWO, despite both being advertised and myself being freshly showered) nor offered any really anything to suggest that she wants to be escorting (listening to the news on TV while fucking isn't my idea of a good time). However, to top things off, despite having paid for an hour, only one round was on offer. I hate to tell her this, but how many men do you come across that last an hour? If I'm booking an hour, I expect an hour's worth of entertainment - I hadn't come across one trick an hour for over a decade - surely, if that's a policy you run, you need to advertise that clearly beforehand.
So, all in all, a bit of a waste of time and money and pretty sure a bait-and-switch was involved. I had an okay orgasm, but was wanting a hell of a lot more for my pingers. A great pity that Sandy's has been shut down - it can be difficult finding good value for money in Manchester (unless anyone has suggestions?).