Dad has 2 dpoa's. I'm one my sister is the other. I take him to all doctors spots. She pays bills. Dad has numerous complex health issues with co morbidities. He is very sharp and all will state that. He no longer drives, writes checks, doesn't understand his cash management acvount and how his loan works (collateralized). He is vulnerable and easy to manipulate. Malnutrition and meds play a role as well. My sister yelled at him about selling his house (largest asset) to him for $400k. The FMV is about $750. He usually complies with screamers as he wants it to stop. Is there any recourse? He is 80. Dependent on others. Physically frail. Walking from bed to couch is exhausting. He has left $465 in Roth, condo worth $300k (collateralized) and $200k cash. He said she gets nothing else for inheritance but she did not put anything in writing and still owes him $130k from the transaction. Again, nothing in writing. He doesn't want to deal with anything unpleasant. He feels I say "ugly things" but I'm just trying to explain what has been done.