Property, a copy shall be furnished to Buyer and Closing Agent within 5 days after Effective Date. 172. Getting ready to write an offer for a house?In this video, I show you how to fill out the As-Is contract to purchase a home. This document is a residential sale and purchase contract. 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. The time for acceptance of any counter offer will be 3 days after the date the counter offer is delivered. A real estate letter of intent (LOI) is a non-binding agreement that outlines the terms of a sale or lease contract. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. I will do my best to exceed those minimum requirements to give you additional time before a showing.