How it works? which is the general way of earning nem?

Hello everyone
I just created a NCC/NIS wallet. But don’t know how I earn nem/xem. there is a faucet system. is there any other option to earn xem with buy? harvesting need a lots of xem.
Then how I will earn xem without faucet?
Thanks.

If you have below 10k there is no other to get some passive income in XEM.
There is also various bounties in which you can participate: