There is a bus to Baiyunguan at Qijiang Bus Station. Just buy your own ticket.
4, there are many farmhouses! The price is cheap, tens of dollars a day.
5. There is no through train. Take a bus from Baiyunguan to Qijiang, then go to Qijiang Cemetery (Qijiang Bus Station can take bus 103 or take a taxi to the cemetery, not far away) and then take a bus to Gujianshan.
6. There is a bus back to Qijiang in Gujianshan. When you go, ask the master how long the last bus will take!