We enjoyed the stay in Sam's flat. The flat is well located and we loved it to stay in the heart of the city. It was not necessary for us to buy tickets for busses or for the tram, because the sights are all whitin walking distance. On top of that, there are some really nice pubs and restaurant with live music near the flat.
The communication whit Sam und David was very friendly and both answered very fast. The check in was good as well - David was waiting for us at the apartment.
The only thing we didn't like was the bed frame for the fifth person, because it was very unstable. The apartment was perfect for four people.
If you book the apartment for four people, everything is comfortable :)