Greatscandi --- your question on Diane's Secret
Diane's Secret has pretty much standard charge ... pay the house for the room. That's 50 per hour for a standard room / 70 for the VIP with whirlpool tub and lot's of space. Normal room is basically a king size bed with comfortable surroundings. Nothing spartan about the place.
With room payment, you go to designated room and pay the girl at 35 per half hour / 70 per hour. I've always paid at the end of the session which is rather nice since it seems to disconnect the event from the money. Much better than "pay me now ... ok strip". Tipping or generosity helps if you intend to return. I've built up a following of interested young ladies there that are more than willing to make my time with them very pleasant Incidentally, I've always sought out straight sex ... covered BJ and multiposition sex so I don't know what charges are for greek or other fetishes. I have seen some sessions with two girls in the room with a fellow. They have a "price list" in the waiting area, but I don't read Dutch so I'm lost on the details.
I've had sessions of 1/2 hour all the way up to 1-1/2 hours. Prices just prorate up / down. For example with these rates a full hour in normal room is 120. Compare this cost to the (lack of) time and care at the RLD ... you are lucky to get 15 minutes for 50 there. More normal time in Den Haag is 10-12 minutes with your clothes off.
I know that they take PIN card, but I've always done cash. Don't count on credit card.
BTW - English works just fine there ... never met a lady that didn't have moderate to extremely good English skills.