The offer includes the address and the legal description of the property, sales price, closing date, concessions, and many other terms. To help you figure it all out with minimal hassle, this 3minute guide to offer letters shares insightful answers and info for homebuyers.Our real estate experts have helped break down the most common areas where real estate purchase offers can go awry and what to read closely before you sign. A Texas residential purchase agreement outlines the terms and conditions of an offer to purchase real estate. How do you make an offer on a house without a Realtor or an agent? This Letter of Intent To Purchase Real Estate sets out the proposed terms and conditions between a purchaser and a vendor for the purchase of real estate. Provide the house address and unit numbers if the property has multiple units. Write the price you agree upon. It should include details about the agreement and a projected date for completing and signing the purchase agreement. Assessor's Parcel Number: . 4.