Lead — in lots of places
Asbestos — in lots of places
Electrical and Other Fire Safety
Window Treatment Cord Safety
Building, Fire and Health Code issues
And more — I am not the Expert — Consult with a Professional!
My annual beginning-of-the-year tradition: Renovate Safe!
As my list above indicates, there are other potential hazards in old homes, materials, and products: Read >> my full Be Safe/Renovate Safe page here << and again, get with your own pros to assess what you are dealing with so that you can make informed decisions.