One lucky streak can feel like investing genius—but anecdotes are not evidence. Don and Tom examine leveraged ETFs such as TQQQ, the brutal losses leverage can magnify, and why surviving a good run does not prove a strategy is sound. They answer a federal employee’s question about the TSP C, S, and I funds, explaining why a favorable 2003–2025 backtest cannot tell us what comes next and why diversification is still about reducing concentration risk. Then they dissect slick “hybrid pension” an...