Just make sure to check the thing out thouroughly. Check oil, check coolant, check tires, have a look under neath make sure it isnt leaking oil, tranny fluid, gear oil, or coolant. Test drive it, make sure the brakes are good and it is running fine. Check all the buttons inside make sure they are working fine. Obviously you cant expect a used vehicle to be 100% perfect, but if you check everything out good you can see where you will be needing to spend money on it to make it better or the way you want it.