Used to leave my toon in until the last minute too. Always took care of the neighbors 'toon next door as well. One year I was especially busy and the ice caught me by surprise. I did see it was forming, but figured it would break up and blow away in a day or so. Finally, I got concerned because the little 25 horse I had at the time didn't have enough poop to break the ice. Had to use the neighbors 50hp boat to "break trail" the half mile to get to the boat landing! Lesson learned here....