Dark Age of Camelot Wiki
How do I know how much money is in my lockbox?

Shift + right click on a wall (interior or exterior) and select Info. Scroll to the bottom of the menu and you'll see:

Lockbox (amount of coin currently in your lockbox) Rental Price (amount of rent collected per real week)

Max in Lockbox (maximum amount of coin that can be stored in the lockbox)

Rent due in (amount of real time until the weekly rent is next due)