<human>:  What is the best way to invest money for young adults?
<bot>: The best way for young adults to invest money is to start by building an emergency fund, which should ideally have three to six months of living expenses saved. After that is complete, they can consider investing in low cost index funds, such as a diversified portfolio of stocks and bonds. They can also consider other types of investments that fit their risk tolerance, such as real estate, mutual funds, or exchange-traded funds. Finally, they should remember to monitor their investments and be mindful of any changes in the market.