I stayed at this Airbnb for two months and I'd definitely come back if I were in Lisbon.
LOCATION - 5 min walk to Arroios metro station, 10 min to Alameda. it is not in a main touristy area but all areas are located within a short metro ride or a 20 min walk downhills.
WIFI / WORK - i was working remotely from this Airbnb for two months and i can say that the internet is perfect, even for video calls and there is a good work station (although chair could be changed).
KITCHEN - this apartment has a fully equipped kitchen with anything you'd need for cooking.
OTHER FACILITIES - washing machine, a small closed balcony to sit or to dry your clothes, refrigerator, microwave...
CHECK IN and COMMUNICATION - quick and one-time. Cristina met me in person and was available throughout my whole stay.