I can't remember what the exact figure was--but it was in the 5 figures. Which for me felt like a potential life-saver.
I don't think what I promised my users was actually that relevant. It would've been super easy to change our terms of service to include the ability to sell or rent user data. I could have written it in a way no one would have understand. Of course, no one would have ever seen the change anyways.
The real issue was that I knew it was wrong. Even if legal.