5) is illegal in the US for a debt collector to do. If they or the landlord records your warning they can use in court against you. You may not be considered a

5) is illegal in the US for a debt collector to do. If they or the landlord records your warning they can use in court against you. You may not be considered a 'debt collector', but state law may differ. Honestly do you want your customers to worry that you may call up their landlord if a payment doesn't go through? https://www.credit.com/debt/top-10-debt-collection-rights/ https://www.credit.com/debt/top-10-debt-collection-rights/