There would be a cost ... minimal cash cost likely, but a large one in time and effort ... for six and a half days those two would be at their stations 24/7, tearing their hair [well, them as has hair], running the espresso machine overtime, cursing tardy delivery of pizza and/or doughnuts, trying to scheme up how to store all those bags of money, and going nuts at having to handle the niggling detail of all that volume
But really, do we want them out on the streets?