The apartment itself is very pretty and you're extremely central. The buildings around are nice, bed was comfy, and everything was clean. Noise wasn't much of an issue despite how popular an area it is.
Definitely my fault for not realizing this was a private room in a shared apartment — for the price, I really expected it to be private. But I have to say, only ONE toilet and ONE shower for 4 rooms? That's upwards of 8 people. Also, listing says "shared bathrooms" but there was only one. The shower was large but there was only enough hot water for one person so if you are having to wait to shower (as you inevitably will unless you bathe at odd hours) then you're getting lukewarm water at best. Also, I hate that the shower head is a hose and there's nowhere to hang it. And it says 4 rooms but I clearly saw a fifth door marked 5 (could have been the host's room? but I saw guests leave and enter). And this was unavoidable, but ALL doors, especially the front door, were nearly impossible to not slam. This is very inconvenient when so many people are coming and going.
In hindsight, I would rather have stayed in the Alfama area as Baixa ended up being sooo touristy (many people soliciting you in the immediate areas outside the apartment). You absolutely should NOT eat anywhere near this location too — my partner got food poisoning from a small pastry we ate at a place nearby :( Great for getting around, and it's cute but aside from that and shopping nearby, I'd recommend staying in a different area for a more authentic experience.