Old post but very informative....
Do an assessment record search online. (Freebie)
Ask the owner to contact insurance company and request a C.L.U.E Report (Cost to owner)
Ask the owner how much she pay for her monthly water bill. (Freebie)
Contact the local fire department for last inspection (Freebie)
Talk to her neighbors. (Freebie)
Google to see if home is in a flood zone. (Freebie)
Special Note: A home is only worth as much as someone is willing to pay for it.
Your home inspector /Hvac, will give you an idea as to the condition.(Cost to buyer)
Take the initiative(s) and Good luck.