How to go to Super 8 Hotel Beijing Xi Zhi Men from the airport and how can I go to Shanghai from Beijing?

iam going to sty in Super 8 Hotel Beijing Xi Zhi Men is located at No. 11 De Bao Yin Yuan, Xiwai Da Jie, Xicheng District,
do you know if it near the city center ( is it good location )
1- I got this hotel for 48 yn a night is it good price or not ,do you know hotel with good price and good location????
2-how can I there from the airport and how much it does cost and time
3-how can travel from beijing to Shanghai by train and how much is cost for RT