I've lived in Porto and travelled around the country for over a year, staying in dozens of airbnbs. The level of quality, care and communication is the worst I've encountered. At my displeasure they offered to move to two other flats, one rated 3.6 and one 2.5. This says it all.
-Mold in the kitchen drawers in contact with utensils
-Broken toaster and coffee maker. The toaster was replaced with a new one in a bag at the front door, but was told they couldn't replace the coffee maker until the following day. It wasn't, so I had to get one myself.
-The refrigerator wasn't plugged in on arrival. No outlets for appliances. I had to use an extension cord balanced on a trash can.
-No surface or hook in the bathroom for towels, or anything. No bedside tables.
-Lowest quality materials, worst craftsmanship. A wall was installed to separate the sleeping pace — the space was so tight that I bumped against the wall when making the bed and the wall so poorly built that it almost fell over