Chris Neiger points out that by regularly investing in the Vanguard S&P 500 ETF (VOO) and remaining patient, investors can aim to reach a $1 million investment goal. He emphasizes that this ETF tracks the S&P 500 index, effectively diversifying investment risk and benefiting from overall market growth. Since 1957, the S&P 500 index has delivered an average annual return of approximately 10%.