Learn how to wholesale real estate in Illinois using this step-by-step guide. Purchase and sales agreement, assignment on contract and how to fill out wholesaling real estate contracts for your business in 2024.Learn the stepbystep process of wholesale real estate contracts. To fully complete a wholesale real estate contract, you will most importantly need a seller, wholesaler, buyer, and title company. This article will delve into the legalities and strategies for executing wholesale deals effectively within the state. This contract transfers all obligations from the wholesaler to the buyer.