Bernardo's place is in a walking distance from the zocalo and the surrounding environment is packed with local cuisine that you will never have to worry where to get decent foods in decent price. The house is clean and well managed, sitting in a stunning colonial styled building with other local families. The best thing about my stay was Bernardo himself. He was, of course, very welcoming and made me feel comfortable in the house right away. When I left my key in the room and was locked outside of the house, he responded to my airbnb message right away and helped me get in. He is also environmentally conscious, and trying his best to leave a greener footprint which was cool. (the house is solar powered!)
I definitely want to come back.