Seller shall sell and convey and Purchaser shall purchase the property, together with all buildings and improvements thereon (collectively the. I'm gonna break down all the terms and conditions so you can understand what it means and we're gonna fill that out so you can have a real-life example of it.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. Use the downloadable, barcoded PDF document for transfers of Real Property located in all counties except: Herkimer County and the boroughs of New York City. Free Real Estate Purchase Agreement. Answer a few simple questions.