We Buy Houses In Missouri. With changes to the economy that we’ve seen in recent years, many homeowners are discovering that there are new ways to sell their homes that weren’t available before and get cash for houses in MO quickly. You no longer have to sell through an agent – you can sell on your own or you can even accept seller financing. If you’re wondering how to sell a property by owner financing in Missouri, keep reading this blog post. As homebuyers in Missouri, we’ll walk you step-by-step through the process that will help you sell your house by owner financing in MO.