Billing is a nightmare.
Most everything on paws is easy and fast. It is a great system. You'd have to be an idiot to have trouble using it. An idiot that should be tared, feathered, then tared again, and drug through the streets of some small town where all could scoff and laugh at you. Therefore, you have to look up the times in the Schedule of Classes to make sure that the discussion times do not interfere, etc.