At 91 years old....take the money and go someplace tropical.
Maybe she doesn’t want to.
Old folks get stubborn. I know, my dads 93, WWII pilot, and he’s stubborn as ever, why not, he fought for it. It becomes a pisser at times but you have to respect and accommodate your elders.
“Go someplace tropical”, yea, maybe, if that’s what she wants. If not, leave her alone.
End of story.
I hope to Heaven neither you or anyone in your family are faced with being forced from your home by developers/city fathers. I don’t think you realize what happens to elders when they are uprooted without their consent.