In “The Night” replace
The Yard selects a Customer at random from the list of Customers. That Customer becomes the Active Customer for this Sale
with
The Yard selects a Customer at random from the list of Customers (if there are no Customers, add a Customer to Customers). That Customer becomes the Active Customer for this Sale
Day Tracking will break the Night as we’ll run out of customers. We should come up with a better fix, but this ensures the night can’t get stuck due to not having any customers left
in favor of 
Kevan: Yard he/him