Carrie is a very responsive host and was kind to let us check in early so we didn't have to lug around luggage.
The big advantage of Carrie's place is the variety of buses that stops right by the house. We were able to explore the city easily and it was nice to have doorstep access to public transportation -- especially when you are exhausted.
We had no wifi access. And many people have pointed that one. It wasn't a big burden for us, but could be for guests who need to work or have limited data plans.
Carrie was very quick to respond to a couple of issues that arose. The place was very clean and well kept, and the linens and beds were nice.
We were two adults and one child and the space was plenty for us. But I can see it being cramped for four adults. While the bedroom upstairs is spacious, four adults would be squeezed into a small living/dining room with only one tiny sofa. It would definitely appeal to people who don't need to lounge around in the morning or just need to crash once home.
I would have loved to have been near a good neighborhood cafe, a quaint restaurant to walk to or have access to a great produce market. There is a Tesco about half a mile away but selections are very limited.
Overall a pleasant place to stay. Edinburgh is a magical city and you'll be away from the hustle in Carrie's place.