i need information on how to GET BACK to pudong airport terminal 2. all the info is from pudong to shanghai.

I need to know HOW TO GET BACK to Pudong FROM shanghai. can anyone tell me? I mean people have to GET BACK TO the airport, no? airport buses that leave to go directly back to the pudong airport? buses that can be boarded at hotels - like the HIlton?
the cost of a taxis leaving shanghai from say the Hilton at 7 a.m.?
taking the Maglev for 2 ? just exactly where is that station by the way? the correct entrance? Thank you. But if anyone knows of an airport bus that goes directly to the airport, I wuld greatly appreciate it.