The estoppel certificate will save you from misunderstanding with the inherited tenants regarding ownership of appliances or other personal properties in the units, as well as misunderstandings regarding amounts of security deposits or other he said - she said that may come up after closing when the current landlord is out of the picture. (biggerpockets.com)
2 - Gave the tenant a standard receipt when he gave me the security deposit (my name as recipient, amount of security deposit which can not be more than one month's rent, date received, address (aka description) of rental property) (biggerpockets.com)
Normally, the amount of the security deposit is the amount of the card's credit limit. (mybanktracker.com)