Oscar was an amazing host and his place was perfect for our visit to Buenos Aires. It is in ricoletta within walking distance of anything you could want. Great food nearby and an amazing coffee house right outside the door. We walked to San Telmo no problem (maybe an hour) and about 15 minutes to Santa Fe avenue.
Oscar was welcoming and had great insights and suggestions. He even helped us arrange a ride to the airport. In addition, the balcony is the perfect place to unwind. Preferably with a nice glass of wine.