We were 2 couples who stayed in Bianca's apartment for 4 weeks. The booking process was simple and easy, and Bianca was always available and responded quickly with any suggestions. (An excellent example is that our flight times in an out of Argentina were very inconvenient, however Bianca was very accommodating to ensure this was not an issue).
The unit is beautifully positioned, easy access to lots of restaurants, shops and within a short Uber ride to almost all tourist activities. The unit is a decent size, although probably suited better to a family of 2 adults and 2 children, however we did have everything we needed for our 4 week stay although Bianca should consider in investing in some additional items (extra sets of linen for example) to make the stay more comfortable. There were also a few minor issues with the apartment itself needing some attention, these did not detract from our stay, but were enough not to give 5 stars. Overall however we enjoyed our stay.