http://united.globalairportconcierge.com/?utm_medium=email&utm_campaign=160223_UADL_12472_UnitedSignatureServiceAnnouncement_C000012472&utm_source=Airline_Ancillary&utm_content=0_ET01&icid=SEIxMDYxMzE=&launch_date=20160223
Well the car service isn't too overpriced (e.g., $90 for car from brooklyn to EWR), but everything else is.