In this video, Ron Rhode will be going over the A.CRE Office Purchase and Sales Agreement free real estate template. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as.Use a commercial real estate purchase agreement to secure transactions and protect your interests effectively. Schedule A. Description of premises (to be attached). 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. 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.