It’s worth paying attention to body gaps at the hood and doors to make sure they run nicely. You have to look down. Not only because of the rust, but it also reveals a lot about the condition of the bottom plastics. After an accident, these items are often only thrown back. The wear and tear of the steering wheel and wound changer can also reveal a lot. It is also important not to buy a car in the rain, as water droplets can hide many of the faults you would notice in dry weather. Eg: the absorption of the paintwork and stuff.