Gradually building your capital at your own pace1
Avoid bad timing by automatically invest a fixed amount on a regular basis.
Benefit from price fluctuations. You buy more for the same amount when prices are low and vice versa buy less when prices are up.
Power of capitalisation. How longer you can invest your money, the better your results. A lower amount invested for a longer period on a younger age results in a higher return than a higher amount invested for a shorter period later.