All in all we enjoyed the stay. The room was clean and big, and the apartment had everything we needed. The kitchen was a little untidy and we had some trouble fitting our groceries in the fridge. Some rooms also smelled a bit. However, for the price the place was great. We didn't meet Den but he had arranged a friend to check us in. She was very friendly and helpful, as were Den's roommates.
We had some issues with the check-in: Den had told us to send him a text when arriving, but he forgot to inform us that he wouldn't be there himself. We were a little puzzled when he didn't answer his phone, but thankfully his friend was there to open the door. Other than that, we didn't have any issues. I would recommend the place for anyone looking for a cheap room to spend a few nights. Great location, especially if you want to climb the Arthur's Seat.