That Tea Light Heating may work in certain conditions; with no small children, no unsteady elderly, no dogs or cats, indoor rabbits, no one who tends to wear long draping garments that come close to the floor. No medical Marijuana user either, because they may become easily unfocused after a heavy dose of ‘medicine’.
Maybe it would work in one of those 95 sq ft houses.
You have to be smarter than a flower pot to use it. It doesn’t have to be on the floor, either. People with common sense can surely use this.