Order. This document contemplates that the buyer and the seller will negotiate and incorporate all of the terms and conditions of the transaction into this. Seller agrees to sell and convey the Property to Buyer, and Buyer agrees to buy and pay.Seller for the Property. (Buyer). Seller agrees to sell and convey to Buyer and Buyer agrees to buy from Seller the Property defined below. 2. If you are obtaining the forms for possible use in a real estate transaction, you should contact a real estate license holder or an attorney for assistance. An agreement to sell real estate, or a purchase agreement, is a legally enforceable document that specifies the terms of a real estate transaction. Warning: No representation is made that this form of contract for the sale and purchase of real estate complies with Section 5-702 of the General Obligations. For your convenience we have provided a list of the most frequently used forms for residential real estate transactions. A real estate contract is a legally binding document between two or more parties participating in a purchase and sale, exchange or transfer of real estate. New to Real Estate; DallasFort Worth metroplex.