‘She had a will, but it was null and void’: My friend and her sister are fighting over their mother’s life-insurance policy and checking account. Who should win out?

Dear Quentin, My friend’s mom passed away about a year ago. She had a will, but…

‘She has no life insurance or savings’: My brother-in-law died, leaving my sister with $20,000 in debt. How can I help her?

Dear Quentin, My sister’s husband died last week. They had both lived with us for the…