We stayed in Ricardo's apartment for a long weekend. Upon arrival, check in was very simple with a door code for the exterior building door and a code for the apartment door.
The apartment was in a great location only a couple minutes from a metro station and walking distance to many of the central areas and points of interest in Lisbon. Many restaurants and a market very close to the apartment.
Ricardo was very responsive and very helpful anytime we had any issues and questions. Would recommend this property to anyone and would definitely stay again when traveling back to Lisbon.