Green: Any possible future repair costs on the vehicle will be in addition to the purchase price and the cost of registration and insurance.
Saying what is or was going on in the mind of another person is to judge and operate in the VRP mode (Persecutor). Also, to add a "not" suggesting that someone did not (didn't) consider (think about) is to treat someone as a Victim.
Observations are factual statements, free of "shoulds" and "nots."