Does buying a car have you confused? Buy, Lease, Down Payment, Trade in. To get a handle on it, you need to consider Total Cost of Ownership. TCOO sums up financing, down payment, fuel, maintenance, repairs, insurance, and taxes and fees. TeeKu uses TCOO to allow you to really understand how much that new car will cost you. Add your current cars and the ones you are considering buying. TeeKu looks at all the scenarios, so you can compare adding one car versus another and make an informed decision. Give it a try. TeeKu will take the mystery out of car shopping, and get you ready for the dealership.