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Pay down loans or invest?

Dr. Don TaylorDear Dr. Don,
I am 31, my wife is 26 and we have no children. Our combined gross income is $100,000. We are one year into a 30-year mortgage at 6.125 percent with $125,000 remaining (appraised at $160,000). We have a combined net worth of approximately $230,000. We have approximately $125,000 in retirement investments split between 401(k) and Roth IRAs.

I have an emergency fund of about 16 months of expenses consisting of three six-month CD's at $5500 each and a money market fund at about $18,000. I will maximize my 401(k) contribution at $14,000 this year and my wife will contribute 35 percent of her income, about $8,400, into a 401(k). We both also have Roth IRA's that we fully fund at $4,000 each. We also have an outside retirement investment account that we contribute $4,000 to annually.

The only debts that I have are the house and a student loan ($12,000 at 3.85 percent). After paying all of our bills each month and funding all of our retirement accounts we have about $1,000 surplus. My question is, what should I be doing with this extra cash? Paying down the house, paying off the student loan, put more money in my wife's 401(k), invest more in outside retirement accounts or something else entirely? -- Brian Betwixt

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Dear Brian,
It certainly appears that you have your ducks in a row. I did a back of the envelope calculation and estimated that you're living on about $33,000/year while saving or investing $46,400. That $33,000 number doesn't quite jibe with your $34,500 emergency fund equating to 16 months worth of living expenses but, as I said, it's a back of the envelope calculation.

If your investments earn more on an after-tax basis than the after-tax cost of the debt then it doesn't make sense to cash in your investments to pay down or pay off your debt. For example, your student loan debt is at 3.85 percent and that interest expense may be tax deductible. You should refer to IRS Publication 970, Tax Benefits for Education, if you're uncertain whether the interest expense is tax deductible. If the after-tax cost of your student loan is 2.9 percent, then hold on to the loan if your investments are expected to beat that on an after-tax basis.

Assuming you can use the mortgage interest deduction on your income taxes, your after-tax cost of mortgage debt, ignoring state taxes, is around 4.6 percent. You may have a harder time finding investments you're comfortable with earning after-tax returns greater than 4.6 percent. Investing in stocks or mutual funds should do that for you over the long term if you are willing to accept risk associated with those returns.

I don't know enough about your risk tolerance or professions to say this with certainty, but it looks like you have too much money sitting in cash as an emergency fund. Just laddering your short-term CDs by investing in six-month, one-year and 18-month CDs would give you some pickup in yield, but you might consider putting some of this money in U.S. Savings Bonds. True, there's now a one-year minimum holding period and there's a three-month interest penalty if you redeem them in the first five years, but the potential increase in yield would be worth it. Just spread the investment out while keeping a cash reserve until the savings bond investments become redeemable.

If you're most comfortable paying down the mortgage then go ahead and do that. You can always change your mind later and tap the equity with a home equity loan and use the proceeds to invest in something other than real estate.

 

 
-- Posted: March 22, 2005
     

 

 
 

 

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