A Texas commercial real estate purchase and sale agreement documents terms for the transfer of ownership of property used for business purposes. In this video, Ron Rhode will be going over the A.CRE Office Purchase and Sales Agreement free real estate template.A commercial real estate purchase agreement is a legal contract between the buyer and seller of a commercial property. A free tool to help you stay organized when buying a building. This Purchase and Sale Agreement (referred to herein as the "Agreement") dated February 14, 2014, is between HENRY RESOURCES LLC,.