Total cost of ownership is a computation to be done to avoid the additional cost as long as you use the services of leasing. Not only in the initial cost but the costs that may arise during the contract and it may be unpredictable if you did not know before.
$ 250 for the disposal of your vehicle, $ 1000 for extra miles you put on the clock and $ 200 to replace the bulb and the worn tires-lease agents continue to nickel-and-dime consumers when their lease runs out.