We've recently come across a provider who's offering something a little different. Instead of simply extending the booking time, she has created a dedicated premium experience that's only available on 3-hour bookings. Whenever someone books with her for three hours or more, she offers an A-level experience in the service free of charge.

Regardless if it's an hour date, or a full 24 hrs the services offered are always 5 star experiences.

Which is to say, I don't book multiple hours. (Multiple ladies? Yes!)
But I was compelled to point out an error in the post. In this scenario, the lady isn't really offering A-levels for "free". She's just making you pay for more hours--vs more per hour--in order to access that service.  
Nothing wrong with that marketing technique, but it ain't "free".

I prefer longer dates once I find someone I really enjoy. I used to see a girl who would prepare a meal for me. She is an amazing cook. It was a really unique and fantastic experience. She also had this sweet hot tub and sauna 😂

If I was interested in 3 hours, sure I would consider it. But I simply don’t feel the need for 3 hours. It’s easy enough to find A level experiences at 1 hour, 90 minutes, and 2 hours. Some make it inclusive in any booking. Some include it at a lower time than 3 hours. Or, the add on price may be reasonable anyway. Too many other options without having to book more time than I want.

Well I'd pass then. That's hardly an incentive for me personally.

On TER, you certainly dont have to. "A level" could mean PSE, anal, BBFS, CIM, BDSM, all of the above, some of the above, etc as its very vague. Why not just tell us what it means, otherwise we are just guessing?  
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I am also confused, regardless what it may mean, why would it need to be 3 hours? I am all up for unique marketing ideas but ones that just confuse the consumer as to what they are paying for, and what they are getting in return, are highly problematic, one would think.

Well I completely misunderstood lol. But that chick was fun and a great cook! Anal was on the menu also

Like many girls, she's looking for a gimmick that suits her style and boosts her income.

But just reading the comments here, it doesn’t sound like a money maker.  Just too many unknowns, and at 3 hours, I am sure we are talking about significant coin.  
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Unless I get more info, or I am just missing something here, this sounds like a total losing proposition.