Status Updates From Gratisessen für Millionäre

Walter swept his right arm to the ceiling, gesturing like a ringleader, and said, "It's free food for millionaires."

Pages 106-107 explains the title of the book.

“I am a little disappointed in you, Casey. I had you figured for the alpha type."
Casey looked at her watch and got up from her seat. "No, Ted, Ella likes the A types."
"You mean type A."
"No, I don't."
Ted laughed with pleasure. This was fun.

This section had me convinced that they were gonna fuck.