However, once you have signed a contract, the law requires you to comply with the conditions to which you have consented. This is especially important when you sign a car purchase contract for an expensive new or used vehicle. As an incentive, merchants usually offer free items or services to the buyer. Be sure to make a list of all these offers and make sure they are all included in the sales contract. These free items should have a zero amount in the agreement. If not, withdraw the amount and write zero ($0) next to it and subtract this amount from the total purchase. Or better yet, ask the seller to reprint the contract. 1.5 The names of the titles in this Agreement are used as references only and are not part of the Agreement.