Buy insurance:

Investment+guarantee

Month 500- 1000

2.

If you like high returns and high risks, you will speculate in stocks; If you don't have time, buy a fund or find a wealth management company to invest in some wealth management products. The specific risk-return ratio can be decided according to your own situation.

Month 500- 1000

3.

Put it in the bank for a rainy day. About 1000 per month

4.

Your usual expenses