Transitioning from poverty to financial stability can pose several challenges for the couple. Some of these challenges may include adjusting to a new income level, managing finances effectively, dealing with potential lifestyle changes, and addressing any existing debts or financial obligations. To navigate these challenges effectively, the couple could create a budget to track expenses, prioritize saving and investing, seek financial advice if needed, and set realistic financial goals. They may also need to make adjustments to their spending habits and lifestyle to ensure long-term financial stability.