Combination agreements, stock redemption agreements, and cross purchase agreements are the three most common structures for buysell agreements. If you're planning a buyout, getting a buyout agreement in place is essential.But how do they work exactly? Buyout Agreement: A legal document that outlines the terms and conditions of a transaction in which one party purchases a stake in a business from the other. In this ultimate guide, we will unravel the mysterious world of buyout agreements and show you stepbystep how to navigate them like a pro. Various instances may result in breach of contract between the seller and the buyer in purchase agreements such as delivery of wrong goods.