1. Try the cookie jar approach. ... 2. Let a roboadvisor invest your money for you. ... 3. Enroll in your employer's retirement plan. ... 4. Put your money in low-initial-investment mutual funds. ... 5. Play it safe with Treasury securities . 6. The Stock Market. The most common and arguably most beneficial place for an investor to put their money is into the stock market. ... 7. Investment Bonds. ... 8. Mutual Funds. ... 9. Savings Accounts. ... 10. Physical Commodities.