Key facts: Missouri Statutory Probate Rules Code governs all rental property inheritance proceedings; estates valued at $50,000 or less may qualify for simplified small estate procedures; a mandatory 30-day waiting period is required by statute before property transfer; existing tenant lease agreements remain binding on the heir as new owner; Missouri does not impose a state inheritance tax; federal stepped-up basis rules apply to inherited property; heirs assume full landlord responsibilities upon transfer including rent collection and maintenance obligations.