Actually they do take a bus, Starting to get a really good one day rate. Was actually told that they do not even cut the bus off. Keep the same driver and dont have to pay for his layover.
This has been improved business process that has been developed over the last 20 years.
PS - There is a booster that have agreed to pay for the upgrade to a luxury coach. The catch - he will start to do this once they win a game at Chapel Hill.