Serious material defects

Discussing a hypothetical in which Nicolas Cage buys a $450,000 car:

Writing Prof: "A $500 part on a $450K car? You're going to renig because of a $500 part? Suck it up and deal, Nicolas Cage!"

and later in the same class:

Writing Prof: Before you finish that contract, you must put in a clause that assures you that Nic Cage was not stoned when he agreed to buy the car.