Lease vs buying car

There are advantages and disadvantages of buying or leasing a car. And advantage of leasing a car is that you get a new car every few years.  A disadvantage is the price it's usually cost a little more overall to lease the car. When you buy a car you can sell it and get some of your money back.  Another disadvantage with the lease is that it the car has to be in very good condition when you return it or you will get charged a lot of money. We are deciding now on if we should turn in our lease and get a new one or buy the van that we have.