Investing in high-risk general returns will be higher, such as the stock market or futures, but it requires professional knowledge and courage, and 9 out of 10 people will lose money. She has one tenth, so she did it.

If the investment is low, the return will be low, but considering the time, it can still be done, that is, just stick to the investment. For example, annual income 10%, annual compound interest investment, can double from 10000 to 20000 in eight years, and most people can do it.