Mining is really very expensive one because of the fact that you have to build your mining rig with the most new model of its hardware. Also, don't forget to include your power consumption through mining that will certainly costs you a lot.
Mining will not be suitable if you do not have some technical knowledge about it and also if the electricity in your area is not cheap. I will not recommend mining at all.
If you can, you can try investing in China's stock market, which is just like the US stock market ten years ago.
So you are advising investment outside cypto ? Well, people here want to look for the investments with the crypto currencies.