Acacia trunks for woodworking $20 to $50 per trunk. 16-20 inch long https://www.google.com/search?rlz=1C1CHBD_enCA760CA760&q=Acacia+stumps&tbm=isch&source=univ&sa=X&ved=2ahUKEwiYgrjVpNLhAhUWv54KHVZMCOgQsAR6BAgJEAE&biw=1474&bih=762