Margarita's apartment is perfectly located to experience every part of Buenos Aires. The microcenter neighborhood is a bustling hub during the day with festivals, strikes, and fairs occuring on the weekends. Although weekends and nights are very quite, with every metro line within 5-10 minutes, every neighborhood will be accessible.
The apartment itself contains everything you will need for a stay of any length. In the month that I stayed at Margarita's apartment, I was able to cook meals and really settle into BA living. It's on the smaller side, so be prepared to spend most of your waking moments experiencing the city. The building is equipped with an elevator, which is very helpful after a late night bar hopping in Palermo (but remember to take your keys whenever you leave the house as the door locks automatically!). Margarita has decorated the apartment very well and it was an amazing stay.
Thanks again Margarita!