depositA security deposit is money, usually 1 to 2 month's rent, that a landlord holds in case the tenant causes any damage to the rental unit or breaks the leaseThen, tap Deposit Funds and select the Credit and Debit Card option. Tip: select Save details for future use to make depositing easier the next time. 3. Enter the amount you’d like to deposit and tap Proceed. 4. Enter your card details