They knew. It's one of the ways a subcontractor makes up for the low bid that allowed them to get the work in the first place. "The work order does not includ

They knew. It's one of the ways a subcontractor makes up for the low bid that allowed them to get the work in the first place. "The work order does not include this, so we can't finish. If we leave now, you'll have to get it done on your own, then reschedule, which means you have to wait at least a few more weeks. However, if you slip me $50, I can take care of it right now, and then I'll be out of your hair forever."