For what it's worth, where I live (in Germany), it's usually just plain impossible to pay rent or mortgages in cash. The landlord or mortgage provider will instead use SEPA Direct Debit to pull the money out of your bank account directly. When I see a US-made movie where the landlord knocks on someone's door to collect rent in cash, it's rather bewildering. In Germany, any sentence that includes the phrase "paid rent in cash" probably starts or ends with "this is how I got scammed".