Need advice - I bought a bad flip

[Barbara L Dainoff]

Maybe not the best place to ask for advice - I bought a home in N Central MA advertised as totally renovated, a pristine revival.  Among other attributes was a new roof and new high efficiency HVAC.  What I've learned since owning the home is virtually everything was done wrong.  Yes, I had the home inspected but what has transpired here couldn't have been anticipated.  The home was unsafe in part and unlivable.  I'm a senior with limited means.  The seller is taking no responsibility for his negligence.  The work on the home was marginally permitted and minimally inspected by the Building Department.  I'm faced with bringing an action I can't afford.  Is there any oversight for flipped homes.  Anyone I can contact?  

Barbara