Discount service for the monger on a budget
There are several shops around that charge 50 or 60 for house, and usually these places are actually crappier than the 40 places. So I suspect that they get tired of cheapskate mongers giving 10 buck tips, so they raise their house fee wth the expectation of lower tips. So those places might be a better deal (50 house + 40 = 90,40 house + 60 = 100).
At 2018 Massage, I asked Mia or Mimi what was normal for a tip 40/50/60 and she said any of those are fine. She seemed willing to take anything, but it was a slow day. So that would have been 45 + 40 = 85 for a pull and a squeeze.
At SH, I have never had a girl ask for any specific tip, or complain about a tip. Unlike some other well known places.
I normally do 60 but depends on service quality, attitude, enthusiasm, cleanliness, access, cuteness, and hotness.
A tip should be related to the service. As everyone here knows, HJ's are no more all the same, then every restaurant meal is the same. There are $3 HappyEndingMeals and $200 Michellin restaurant meals. So we really need to not agree to fixed tips in advance. I suggest offering a range. And giving her some incentive to do her best. I think the proper response to "You tip me 70 sailor?" Is "I will tip you between 20 to 70, possibly even 120, depending on my satisfaction level". It seems almost criminal to pay the same 60 for gold service with GFE, extras, and access, . And then pay 60 for grab-and-shake novice with sand paper hands and shorts you time. Better service means better tip.
As for the shop where the girl gave me back money, I am not entirely sure about the motive. Several of the gals want me to be their regular, so that cash back might have been to lock in repeat business. So I hesitate to send 200 guys over there giving $40 tips. Its a place that seems like a dump at first glance, but its always busy with a large stable of talent, and the other mongers seem to be fairly higher class than the more famous places.