Don't try to make quick profits. Always invest for the long term. You should plan to keep some of your mutual funds an absolute minimum of 5 to 10 years. Mix up your investments. You can cut your chances of losing money by putting your money in different types of investments.
Mutual funds have automatic investment programs.
Money is electronically taken out of your checking account and invested in the fund. Do your homework. Most library business sections carry information on mutual funds. Avoid paying high commissions and fees for mutual funds. Make your money work for you, not for your stock broker.