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Nick
Joined: 21 Feb 2008 Posts: 2
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Posted: Thu Feb 21, 2008 1:10 am Post subject: 401K vs. Non-Tax sheltered investing |
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Question:
Am i Wrong in assuming the following:
Given that the return of the funds are equal, am I better off not contributing to my employer's 401K fund given the following:
There is no employer match.
The lowest expense ratio of available funds is 1.32.
My effective tax rate is 21.6 (marginal 28.0).
VFINX expense ration is .15.
30 years until age 65.
Do I forgo the 401K and invest money in an index fund like VFINX, even though there is no tax advantage? My math tells me yes, but would like other opinions... |
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sgeeeee

Joined: 10 Feb 2004 Posts: 462 Location: Mesa, AZ
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Posted: Thu Feb 21, 2008 10:45 am Post subject: |
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You still earn money tax deferred in the 401(k) and the earnings add up faster than they would in a taxable account (since the base amount you earn on is not depleted by annual taxes). This can add up to a lot of money over a few decades.
If you have enough time to accumulate savings in the 401(k), and the funds are appropriate for your portfolio, then you will probably come out ahead using the tax deferred option. But if you only have a few years and/or the 401(k) funds are not really funds you would like to invest in, those higher fees might overwhelm the tax advantage. _________________ -=sgeeeee=- |
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Nords
Joined: 15 Feb 2004 Posts: 40 Location: Oahu
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Posted: Thu Feb 21, 2008 12:26 pm Post subject: Re: 401K vs. Non-Tax sheltered investing |
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| Nick wrote: | There is no employer match.
The lowest expense ratio of available funds is 1.32.
My effective tax rate is 21.6 (marginal 28.0).
VFINX expense ration is .15.
30 years until age 65.
My math tells me yes, but would like other opinions... |
Is there other math we haven't seen yet?
Your 401(k) leaves you with 98.68% of your money every year but doesn't tax you on cap gains & dividends. That compounding may outstrip a taxable account even though the 401(k) ER is pretty impressively sucky. However when you're retired (and withdrawing the money) you'll pay taxes on it as if it's regular income... either by RMDs or during the conversion to a Roth IRA.
VFINX may leave you with 99.85% of your money at the end of the year but taxes will chew into that. The 28%/21.6% numbers may be a bit misleading due to Vanguard's tax efficiency and the tax rates on cap gains/dividends. That data might provide a more useful start for comparing how much you have left each year after taxes-- whether it's still close to 99.85% or even less than 98.68%. If it's more than 98.68% even after annual taxes then Vanguard is the better deal.
It gets even better when you retire and have the option to not touch VFINX. When you do touch it, you'd be paying cap gains taxes and not regular income taxes. _________________ .
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Youth may be wasted on the young, but retirement is wasted on the old. |
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sgeeeee

Joined: 10 Feb 2004 Posts: 462 Location: Mesa, AZ
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Posted: Fri Feb 22, 2008 1:12 am Post subject: |
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I got a chance to run some numbers for the specific case you mention.
CASE 1 -- taxable account assumptions:
deposit $3000 per year for 30 years,
then withdraw $3000 per year for 30 years.
earn 7% per year
expense ratio of 0.15% per year
tax rate on earnings 21.6% pre-retirement, 18% post-retirement
no tax on withdrawals.
CASE 2 -- tax deferred account assumptions"
deposit $3000 per year for 30 years,
then withdraw $3000 per year for 30 years.
earn 7% per year
expense ratio of 1.32% per year
tax rate on earnings 0% pre-retirement, 0% post-retirement
withdrawals taxed at 18%.
After the 30 years of accumulation, the tax deferred account contains $240,000 while the taxable account contains $227,000
During the withdrawal phase, the tax deferred account remains higher than the taxable account for only 5 years. By year 60, the taxable account contains $1.36M while the tax deferred account contains $994,000.
That 1.32% expense ratio is a killer. For the cases listed above, your mutual fund would have to earn ~13% per year (rather than the 7% assumed) for the tax deferred account to come out ahead.
 _________________ -=sgeeeee=- |
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Nick
Joined: 21 Feb 2008 Posts: 2
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Posted: Tue Mar 04, 2008 11:07 pm Post subject: |
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| Thanks! This website has been a great resource. Thanks, sgeee for taking the time... |
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