Jim & Gonzalo were excellent. My friend and I had an amazing time in Buenos Aires and were able to enjoy it to the fullest from the beginning, because they were so helpful in making sure that we were well oriented with the city. Anything we needed, we could just ask Jim and he'd help us out. The apartment is in a perfect location, close to great restaurants, unique shopping, subway and major bus lines, etc. I can't think of a single negative from my experience. You can't go wrong with this apartment and Jim & Gonzalo as hosts.