they are typically quite inexpensive, starting as low as $30, and going up from there depending on model, materials, and quality. field tested and received with great enthusiasm. when you're thinking of getting furniture used, test it out first. you easily digest everything absorbed from the book while enjoying it. you sure have an interesting idea. start going to night school so you can get a degree. will be removed without disturbing the hearth itself. the only downside i see is the cost. i’m going to fix that right away. 