Edit, sign, and share wholesale purchase agreement contract pdf online. No need to install software, just go to DocHub, and sign up instantly and for free.This file contains detailed instructions for completing the NWMLS Form No. 21, a Residential Real Estate Purchase and Sale Agreement. A Washington residential purchase agreement is used when making an offer to purchase real estate. The agreement initiates the negotiation process. Edit, sign, and share washington sale contract online. In this comprehensive article, we will delve into the essential information for embarking on a journey of wholesaling houses in Washington. A wholesale agreement is a contract that transfers the ownership of goods from an original seller to the buyer through an intermediary, called the wholesaler. A wholesale agreement is a contract that transfers the ownership of goods from an original seller to the buyer through an intermediary, called the wholesaler. Please review the Template Agreements on this web site.