How to Make Money With Mutual Funds

If i earn even a single rupee by putting money into a rornight fund, all the cash balance that i have, i know it's going to earn some interest. The main important thing is this, peamesses can't earn money off of that frok. A broker could allow you to buy a mutur fund every day and buy it back. They don't. And that's because of this complication. Something goes wrong, how are you going to track all the stuff?