Watch this video to learn how to confidently fill out real estate contracts and secure your deal. Learn how to wholesale real estate in Washington: 1.In this comprehensive article, we will delve into the essential information for embarking on a journey of wholesaling houses in Washington. Just tell them you want a simultaneous close. You can "assign" but if it's off the mls. In this video I'm going to show you exactly how you can get the same exact real estate contract I use to be able to wholesale properties. The Steps to Completing a Wholesaling Deal. Find a distressed property. A Washington residential purchase agreement is used when making an offer to purchase real estate. The agreement initiates the negotiation process.