Often, it'll be along the lines of "I might be interested in selling. What would you give me for it?View the forms library. I'm going to walk you through how I bought over 255 Parcels of land at a massive discount how you too can write a land offer letter. The Standard Agreement for the Sale of Vacant Land (Form ASVL) is the contract for the sale of unimproved real estate containing commonly used clauses. Written real estate cover letter is key to landing a job at a reputable agency. Use our writing tips and cover letter example for inspiration. Purchase and Sale Agreement. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. This step-by-step guide has everything you need to sell land!