Our stay here was mixed.
I think for a short stay in lisbon the airbnb would be lovely. It's clean, in a great location, quiet when the windows are shut, has laundry, a dishwasher, Nespresso, great AC, and great water pressure.   Unfortunately I can't say the same about our long term stay. We stayed here for a month and weren't very comfortable.   Overall I’ve rated the place highly as it is nice, but flagging it might not be for everyone.
Our issues were:
-Primary issue was the wifi. It is not high speed as the listing says. The host will tell you it is the same wifi as anywhere else in lisbon so it just 'is what it is', but this is not the case. We ended up trying it in cafe's and in a different airbnb and it was much better. He had someone come check on it and said the readings were fine, but when I tested it on my own it was as low as 13 Mbps. You cannot be on multiple zoom calls at once, or watch videos on the computer without it having to buffer.  -The apartment is a condo so has thin walls. You can hear the people upstairs do anything. Sounds like there is thunder when they move a chair and they are up late so can be hard to sleep when they are walking.
-The apartment accumulates dust super quickly.
-Amenities were limited. 3 laundry pods, 4 Nespresso pods, 3 dishwasher pods, a bar soap and a couple rolls of toilet paper were left for us. We bought hand soap, paper towel, and all the other restocks ourselves.
-As others mentioned the bathroom is pretty dark, wasn't a big issue for us but I could see it being an issue for others.
-There are smokers who live next door so you smell that in the hallway and sometimes in the apartment. They tend to smoke outside on the small terrace in the morning so I stopped sitting out there. I get migraines so the dust + smoke was an issue for me.
-We thought the working space in the bedroom was usable when we looked at the pictures, but there are just super small stools there so you can't sit there to actually work throughout the day.
Again, these are specificities that, for us, were important. For others staying for a shorter amount of time I can't imagine I would be bothered by them. I rarely give lengthy reviews but felt it was important so others looking for long term stays don't have our same experience, especially given the price. Hope the host understands and I encourage those who do not see an issue with any of the above to still book it! Again, great location and other benefits.