I will start by saying this is a great location and very nice apartment, however there were several severe drawbacks during our stay that made the overall experience more painful.
Only 2 towels were provided for 5 guests (not including a bath/floor towel/mat) for the entire 3 night stay.
There was an unclean mop left in the middle of the bathroom for the entire extent of the stay.
The drain in the shower did not work, and upon removing the cover to try and mitigate the problem, an abundance of unclean hair and other items were discovered. This occurred after the first shower was taken and the shower overflowed into the bathroom (hence why the mop was left there).
The power shut off on the first night at 4am, and was not restored (due to the host not responding) for almost 9 hours. As a result, we had no electricity, lights, and most importantly air conditioning for the entire first night. It was 85+ degrees Fahrenheit on the first day in Florence, creating a very unsuitable and unenjoyable experience.
Throughout the 3 night stay, the power shut off at least 20 more times, all of which subsequently we had to go downstairs to the power grid and flip our circuit back on. To try and mitigate, we spent most of the time with all the lights off and only the air on to prevent this. Overall, this was very unacceptable.