João was a very nice host. The apartment was clean and the wifi worked perfectly, which was essential since I worked remotely. It was fully equipped and has everything you will need to live in Lisbon. The location was also excellent, 2 minutes via stairs to the center and a 15-minute to Bairro Alto.
He even had a bottle of wine in the dining room which was very kind.
Cons: The walls were thin. That isn't the hosts fault, but my neighbors below were loud and they could be heard during some of my work meetings and over my noise cancelling headphones. Something to consider if you will be working while you're here and/or if you're noise sensitive.
There was also a bad sewer smell coming from the bathroom. The entire apartment would smell bad if I left the bathroom door open.