Location - Emilia's place is a really great location. Although it's a little far from the Central part of Palermo, we had no problem walking about 20-30 minutes to get there. It is also about a 30 minute walk to the Recoleta Cemetary.
Kitchen - Emilia's apartment has everything you need to prepare simple meals. We were able to prepare some soup, tea and sandwiches with the tools in her kitchen. There is a water boiler which was great for making tea when we needed it. There isn't any cooking oil or anything like that, so it would be difficult to prepare a cooked meal.
Amenities - Everything was very clean when we came in, although there was a strange smell in the place. The smell aired out after we turned on the AC and opened the windows a little bit. Everything else was very clean (towels, sheets, kitchen etc). There is also a hair dryer, iron and ironing board which were very useful for us.
Check-in - This is the only thing that made this a 4 star visit. We had to move our check-in to an earlier time (10am) because Emilia had another check-in she needed to tend to at noon. It was just bad because there was heavy rain and we had a very difficult time catching an Uber because drivers kept cancelling the rides due to weather. We eventually made it around 10:45am, but felt a little rushed. Emilia's mom did wait outside to hand us the keys and was very nice when checking us in.
Convenience - There is a Carrefour (big grocery store) nearby as well as a Starbucks right down the street (on Raúl Scalabrini Ortíz). These are great if you're the kind of traveller who just want to prepare a quick breakfast/lunch and coffee before going out. If you don't feel like eating out, you could purchase jamon crudo (cured raw ham), mozerella cheese, arugula (rucula in Spanish) and fresh bread at Carrefour and make some really delicious sandwiches. There are also two banks (Santander and Banco Ciudad) on Av. Gral. Las Heras which you will need for getting cash. There is also a pharmacy "Farmacity" up the street on Raúl Scalabrini Ortíz which was useful when we needed cold medicine (Refrianex Compuesto).
Taxis - There is easy access to Taxi's driving up from Jeronimo Salguero (1 street west of Paunero). I would suggest taking taxi over Uber in this location as it seems underserved by those drivers.
Overall - great location and experience staying here. I hope you enjoy yours too!