Ron, who lives in North Pole, Alaska, is curious about an admonition from his mother: Don’t get into any jackpots. This expression, which dates back to the 1800s, refers to getting trapped into adding bets to a round of high-stakes poker despite the fact that you hold a losing hand. In the lumber industry, a jackpot is a logjam. For others, it could a tangle or mess of branches in a river or creek. This is part of a complete episode.