Certificates of deposit. These are among the safest investments because they are insured by the Federal Deposit Insurance Corp. Because the United States is insuring your money, it's impossible to lose money in a CD. If you put $1,000 into a CD, the only risk you're taking is that if you need the money, you won't be able to access it without paying a penalty until the time period is up. For instance, if you invest money in a 1-year CD, you can't get that $1,000 for another year without paying a penalty that typically includes about six months' worth of interest.
If you were to sell these five stocks, you would once again incur the costs of the trades, which would be another $50. To make the round trip (buying and selling) on these five stocks it would cost you $100, or 10% of your initial deposit amount of $1,000. If your investments don't earn enough to cover this, you have lost money by just entering and exiting positions. Invest with Vieira: World's Best Free Stock Investment Advice

Making a list will also help if you are saving for your children’s future. For example, do you want to send your children to a private school or college? Do you want to buy them cars? Would you prefer public schools and using the extra money for something else? Having a clear idea of what you value will help you establish goals for savings and investment.
It’s important to consider transaction costs and fees when choosing your investments. Costs and fees can eat into your returns and reduce your gains. It is vital to know what costs you will be liable for when you purchase, hold, or sell stock. Common transaction costs for stocks include commissions, bid-ask spread, slippage, SEC Section 31 fees [31], and capital gains tax. For funds, costs may include management fees, sales loads, redemption fees, exchange fees, account fees, 12b-1 fees, and operating expenses. [32]