Staying place :
Castle Rock Hostel
www.hostelworld.com/Edinburgh/Castle_Rock-
Staying time : 2 day is enough
Time period: Festival Period is fantastic!
What to do: Visit different as a best advice: Arthur's Seat and ask your roommates at night for visiting together. Someone will yes to this adventure. Select foggy day if possible :)
City centre- take lots of photos , city has a differenct concept of design.
Drink: Tennet's