Do you handle my area? Palm Beach Florida
I would think the will and property might be worth it. I have very clear proof of the changes in the last 90 days of his life.
You need an attorney in your area. Contact the local bar association or use the avvo.com lawyer search feature.
No matter what it looks like even if I can prove she had extreme undue influence, I have little or no chance to gain any of my fathers assets from my stepmother. Can I file a petition to be administrator. At least this causes her to cough up the will and respond.
You need to consult with a probate attorney in your area.