According to Milk Road, a trader who consistently invested $420 monthly into Bitcoin has accumulated 0.69 BTC as of age 45, demonstrating the effectiveness of dollar cost averaging in building long-term crypto holdings. This real-world example highlights how regular, disciplined buying can mitigate volatility and steadily increase crypto portfolio exposure over time, providing valuable insights for retail investors seeking to optimize retirement strategies with Bitcoin (Source: Milk Road Twitter, May 23, 2025).