When staying in BA do yourself a favor and look no further than Ralf and his staff at BA4U Apartments.
My wife and I were treated with extreme professionalism and care during our 5 day stay in BA. Communication from Ralf and his staff is second to none. They are prompt, informative, and clearly understand the service industry and how to make you feel at home.
The apartments are all beautiful, secure, clean, and have fast wifi connections. Also, the location is perfect and within walking distance of all the great restaurants and shops in the Palermo and Recoleta neighborhoods.
I guess the biggest compliment I can pay to Ralf and his staff is that I wouldn't consider using any hotel, or airbnb host for my next visits to Buenos Aires.