From the airport bus bays at airport, U can choose to take Guoguang bus.
Guoguang = 國光客運
..... Guoguang .....
GG is a non-stop ride from airport to Taipei Main Station area. From TMS, you can either take a cab
(less than NT120) to Ximending.Or take the MRT from TMS to Ximen 西門 station Exit 6 - a mere MRT stop away. Once you leave Ximen MRT station via exit #6, You are in Xmd.
once you exit ximen station at exit 6, walk towards the shops that is beside the main road
and then you will see a family mart and from there turn right into the small lane and 1 minute later you will see a sign on your left. Approximately 40 meters Please walk into the building the good9stay located on a lift 5 f.
(Cheng Tu Road)
Kuo-Kung Shuttle Bus Taipei Main Staation at Exit Z 3