Help me with my finances

23F, 6.1lpa with 47k take home ( no debt )

how i spend it ( non negotiable )

1. 5k sip ( 3 sip so it’s a total of 15k per month)

2. 10k- donations

i don’t have to pay rent, sometimes, i go out to eat.

I do some freelance ( promotions on ssm) where i can get extra 10-60k per month ( not fixed)

How can i save my money?

side note- till now, ive bought around 13g of gold. idk how else to save it