Let's think about this. He retires from the foreign service and starts his own business. She is working for the CIA. They have two cars. That's a lot of money coming in in order to pay for that house.
I also remember that Wilson made a point in that article of saying Valerie was "frugal."
"frugal"
LOL
That sounds like a spy cover story.
I bet Sally Bradlee is appalled at all the attention they have drawn to themselves.