1. A potential 15% corporate tax rate could trigger a significant rally, boosting S&P 500 earnings by 4%; 2. Focus on undervalued, high-quality dividend aristocrats in consumer discretionary, materials, and industrials sectors; 3. These five aristocrats offer a 3.2% yield, 10% annual dividend growth, and 33% upside potential in the next year, even without tax cuts, and 38% with tax cuts.