I highly recommend staying at Jada's place, as it is a stylish apartment with an almost 360° view from the terrace on Naples, that's better than what you see on postcards! :) Just hanging out on the huge terrace and watching the city is a program in itself.
The city center can be reached with the bus that stops in front of the house, and metro is 10min walk. Also there is a supermarket and a pizzeria in front of the house, so you can buy anything extra there.
Jada was very helpful and kind... Thank you for hosting! :)