The location is great, all the main attractions are in walking distance.
Being in the center there is a bit of noise from all the people outside as there are restaurants and a market near by.
Everything was great in the apartment the only thing i disliked was the mattress, which was to soft for my taste.
If you need parking a great option is Parcheggio Stazione Fortezza Fiera its 20 eur per day or 1.6 eur per hour, compared to the local private parking garages that charge 35 eur per day.
If ever in Florence you can try the place, it is ok price vs service