We had a great time staying at Jimmy's place (my dad even listed it as one of the top 4 things of our trip!). Jimmy was very good at communicating. He always responded quickly and was very polite and personable.
The space is cute, clean, comfortable, functional, and is everything you need. It is in good walking distance to many restaurants and close to several bus stops. The beds are comfortable, everything is in good working order, and it felt like our home away from home.
I would definitely stay there again if visiting the Boston area in the future.