I’ve been a caregiver for many years and can say with certainly that it is rarely appropriate for a caregiver to act as the power of attorney (POA) for their client. I have seen many circumstances in which the client is taken advantage of or the caregiver is wrongly accused. It almost never works out in a positive way.
My suggestion would be to have a discussion with her about other alternatives such as a professional fiduciary our representative payee.
Things did not go well and she’s convinced now that I’m trying to run her life for her. She’s stopped calling and wont return my messages. I’m very worried that she might be allowing the caregiver access to her resources.