| Should I invest my extra cash or use it to pay off debt?
Answer:
To answer this question, you must decide how your money can work best for you. Compare the money you might earn on other investments with the money you would pay on your debt. If you would earn less on investments than you would pay on debts, you should pay off debt.
Let's assume that you have $1,000 in a savings account that earns an annual rate of return of 4 percent. Meanwhile, your credit card balance of $1,000 incurs annual interest at a rate of 19 percent. Your savings account thus earns $40, while your credit card costs $190. Your annual net loss is 15 percent, or $150, the difference between what you earned on the savings account and what you paid in interest on the credit card balance. It's even worse when you consider the tax effect. The interest on the savings account is taxable, and you have to use after-tax dollars to pay your credit card bill.
In this instance, it would be best to use your extra cash to pay down the high-interest debt balance. The same principle would apply if you were to invest your extra cash in a certificate of deposit (CD), mutual fund, or other investment.
Now, let's look at another example. Say you have a student loan of $1,000 that you are repaying at an annual interest rate of 5 percent. Instead of paying off the debt, you invest $1,000 in a CD earning a 7 percent average rate of return.
Here, your best strategy would be to keep the loan and invest the extra cash, because your net gain will be 2 percent annually, or $20--the difference between what you earned on the investment, less what you paid on the debt.
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