I've got an old (closing in on 85 years) NYC two-family home that we've lived in about 10 years. We gut renovated the first floor at the time, but due to financial
constraints, we left the rest of the house as-is at the time. The basement is unfinished, and the second floor is finished but all old (albeit with a fresh coat of paint and replaced some light/electrical sockets). The first floor...