Rent Management and Remaining Amounts - Excel Model From a single file, you can easily track all rental contracts and housing units. Track rents, collected amounts, and remaining amounts. Automatically calculate the payment percentage and the remaining amount. Countdown timer for due dates. Alert for late payments and number of days delayed. Display dates in Hijri and Gregorian. Track contract duration and expiry date. Sort contracts by nearest payment date. Unified report for all units and contracts. Suitable for property owners, property managers, and residential apartment investors.