Summary: This article analyzes how a sales contract and a deed of sale can include the same aspects, but one is enforceable in the event of a dispute and the other has its limitations. In the case of a sales contract, if the products or services to be transferred are damaged or unsatisfactory, the seller must update them in order to complete the sale and maintain their end of contract. The purchase contract is a concept of money that you need to understand. Here`s what that means. For example, a buyer and seller can use this method if the buyer does not have the money to pay in full. If the seller doesn`t need all the money or isn`t afraid to let the buyer live on the property while paying for it, they could draw up a purchase agreement to make the agreement clear and protect both parties. .