In 2015, a UK-based soldier Jon Heywood transformed a $0.33 wager into a $22.1 million win. When the jackpot is reasonably high or it has not paid out in a while, this is the time to jump in. This rule will vary from one bonus to another, so reading the fine print is imperative. However, you should always read the terms and conditions of any bonuses you are claiming. Casino bonuses are a great way to boost your bankroll if you know what to look for. This process ensures that you are provided with a fair gaming session. The jackpot bonus game can be triggered any time, leading to a grid where players match symbols to win one of the progressive prizes. There&#x2019