This was my first stay in Buenos Aires and I highly recommend this Airbnb. If it's still available for your dates, book now!
The main highlights are that it's on the 22nd floor of a luxury building in the middle of Palermo (a very international and safe neighborhood in BA with lots of parks, restaurants, and nightlife). Lucia and Hernan made check-in super easy and I had everything I needed for my week-long stay. I'm a remote worker and the internet was fine for me.
Will be back again hopefully soon!