For certain sales contracts, i.e. those concluded in a place that is not the permanent seat of the seller, the buyer has the legal right to revoke the contract before midnight of the third working day following the sale. For more information on this “cooling-off period,” see the laws of your state and the Federal Trade Commission. When selling or buying real estate, use a real estate purchase contract. This document contains important information specific to real estate transactions. While a sales contract and a sales contract have similar objectives, a sales contract offers a more detailed payment plan and offers guarantees for the item. It also allows both parties to show greater flexibility before the conclusion of the contract, by granting conditions to secure the goods before purchase. .