定投需要无限现金流吗：做好人生的2000次定投

Group 1 - The core idea of the article emphasizes the importance of systematic investment, particularly through regular contributions to financial assets, which can be achieved without needing unlimited cash flow [15][17][30] - The article discusses that every working individual is essentially engaging in a form of systematic investment through mandatory contributions to social security and pension plans [6][7][8] - It highlights that additional investments in stock funds are necessary to enhance long-term returns beyond traditional savings [9][10] Group 2 - The article explains that systematic investment does not require infinite cash flow, as it is closely tied to the individual's "human capital" which generates cash flow [18][19][30] - It outlines a typical investment timeline, suggesting that the primary period for systematic investment is from age 25 to retirement, allowing for approximately 1800 weekly investments or 450 monthly investments [27][31] - The article also notes that with increasing life expectancy and aging populations, future generations may have the opportunity to make even more systematic investments [28][29] Group 3 - The article contrasts systematic investment with the concept of phased investment, where investors may choose to invest a lump sum over time to mitigate volatility risks [39][41] - It explains that phased investment involves using existing capital, while systematic investment relies on future income streams that are not currently available [48][49] - The article concludes by suggesting that understanding how to increase available funds for systematic investment is crucial for effective financial planning [49]