Passive investing is a buy and hold investment strategy.
If you are a long-term investor, your main aim is capital appreciation and limited maintenance. Do limited buying and selling of securities. You shouldn’t be bothered with the daily price fluctuations in the market.
Passive investing needs a lot of patience.
If you want to learn more check out these resources:
Studies show that active investors dont beat the market, but what fun is it not trying lol.