I have read of your situation and my daughter and I just bought an old home that has the same problem. In looking for a response from someone who might have had great advise for you, I can't find it. Please tell me that I'm just not looking in the right place and that you have received tons of fantastic advise that worked wonderfully. We love the house, but as you stated, it is not inhabitable as it is and we are scheduled to take ownership on April 30th. I would much appreciate anything that you could share with us to improve the situation.
Desperate in Maui!