In addition to all other posts, if you want to deal in real or personal property without being in the chain of title, consider buying an option on the property versus buying the property.
Options give the right but not the obligation to acquire / buy / sell / lease / manage, etc.
Check with a good TPA (third party administrator) for how they would move the funds in and out. I've had good experiences with Quest IRA in Houston. Quincy Long is the principal and he knows how to say no. And that's French for protecting you from yourself.