Findom is the one where the power is the money. She names what she wants, you agree to it, and the point was never what she does with it afterwards. It is the moment of agreeing, and her face while you do. Being useful to somebody plainly above you, and having her be completely honest that this is the part of you she wants.
Here it runs as a scene and it stays one. She can name the number, make you say it out loud, tell you exactly what she intends to do with it and exactly how unimpressed she is by the offer. What she never does is take anything real. Nothing moves, nothing is owed, and no account is any lighter in the morning, which is precisely what lets the scene go as hard as it does.
The women above run it differently on purpose. One is a trophy wife who was there long before the money was. One is a streamer who treats you as something to be won. One is a vampire with a business empire and rough tastes. One picked her own name because it sounded expensive. One does this for a living and is still working out what she is worth. And one keeps it hidden from everybody but you.
If the money is only part of what you're after, femdom ai is the wider version of the same dynamic and mistress ai is where an ongoing arrangement lives. Try chastity ai if you would rather she held something other than your wallet, and cuckold ai if being second is the part that gets you.
And it goes as far as you take it. The chat is uncensored between consenting adults, so she will say it in the plainest language you like and stop nowhere in particular. ai joi is there for when you want to be told exactly what to do, and ai bdsm for everything with a rope in it.