How Does Borrowing Against Your Own Money Work?

Borrowing against your own money means using an asset you already hold — a savings account, a certificate of deposit, the cash value of a permanent life insurance policy, a vested 401(k) balance, or securities in a brokerage account — as collateral for a loan. Because the lender can claim the pledged asset if you stop paying, the interest rate is lower than on a credit card or unsecured personal loan, and approval doesn’t lean heavily on your credit history. The tradeoff: the pledged funds are frozen or at risk until the loan is paid off, and the specific rules, costs, and tax consequences change depending on which asset you use.

What You Can Borrow Against

Five assets are commonly used as collateral. Each has its own lender, its own borrowing limit, and its own consequences if things go wrong.

Savings Accounts and CDs

A savings-secured loan pledges the balance in your savings account. The bank places a hold on an amount equal to the loan balance so you can’t withdraw those funds while the loan is outstanding. If you stop paying, the bank applies your frozen savings to the debt under its “right of setoff,” a provision in most deposit agreements that lets a bank use your account funds to cover money you owe the same institution.¹

A CD-secured loan works the same way, with the certificate itself as collateral. Borrowing against a CD lets you get cash without cashing it in early and losing interest or paying a withdrawal penalty. If the CD matures before the loan is paid off, most lenders require you to either pay the balance in full or renew the CD so the collateral stays in place.

In both cases, the pledged funds keep earning interest at the account’s original rate for the life of the loan. You just can’t touch them until the balance hits zero.

Life Insurance Cash Value

Permanent life insurance policies — whole life and universal life — build cash value you can borrow against. Term life doesn’t build cash value and can’t be used this way. A policy loan comes from the insurance company itself, which uses your cash value as collateral rather than paying it out.

Loans from a policy that isn’t a Modified Endowment Contract aren’t treated as taxable income because you have an obligation to repay them. But any unpaid balance plus accrued interest reduces the death benefit your beneficiaries would receive. If the loan balance grows to equal the cash value, the insurer lapses the policy, ending your coverage and potentially triggering a tax bill on any gains.²

401(k) and Employer Retirement Plans

Many 401(k) plans let participants borrow from their vested balance. Federal law caps these loans at the lesser of $50,000 or 50% of your vested balance. Some plans let you borrow up to $10,000 if half your vested balance is less than that, but plans aren’t required to offer the exception.³

The loan must be repaid within five years through substantially level payments at least quarterly, unless it’s used to buy your primary home, which allows a longer term.⁴ You pay interest, but it goes back into your own account rather than to a bank. Not every plan offers loans, so check the summary plan description first.

The biggest risk shows up if you leave your job. When you separate from an employer, any outstanding loan balance is treated as a distribution. You can avoid the tax hit by rolling the outstanding balance into an IRA or another eligible retirement plan by the due date of your federal tax return (including extensions) for the year of the distribution.⁴ Miss that deadline and you owe income tax on the full amount, plus a 10% early distribution penalty if you’re under 59½.³

Brokerage Accounts (Margin Loans)

A margin loan lets you borrow against stocks, bonds, and other securities in a brokerage account. Federal Reserve Regulation T lets you borrow up to 50% of the purchase price of marginable equity securities.⁵ After the purchase, FINRA rules require account equity of at least 25% of the total market value of your margin securities, though most brokerage firms set their own “house” requirements higher than that floor.⁶

Margin carries a risk the other options don’t: a margin call. If your securities fall in value and your equity drops below the maintenance requirement, the firm can demand more cash or securities immediately. It isn’t required to notify you before selling holdings to cover the shortfall, and it picks which ones to liquidate. Firms can raise their maintenance requirements at any time without advance written notice.⁷

Interest Rates and Costs

Because the lender has your own money guaranteeing repayment, rates are well below credit card and unsecured loan territory. On savings-secured and CD-secured loans, banks typically set the rate as the deposit’s interest rate plus a fixed spread, commonly two to four percentage points above what the account earns. The exact spread depends on the lender, market conditions, and the loan amount.

Life insurance policy loan rates are set by the insurer and vary by policy type and issuer. They’re often fixed for the life of the loan, though some universal life policies use variable rates. Interest you don’t pay is added to the loan balance, so the amount owed grows if you’re not making regular payments.

401(k) plans commonly charge the prime rate plus one percentage point, with the specific rate set by the plan administrator. The interest goes back into your own account, which softens the cost, but you lose the investment returns those funds would have earned while the loan is out.

Margin loan rates are tied to a benchmark like the federal funds rate or the broker’s base rate, plus a spread that shrinks as you borrow more. These rates are variable and move with the benchmark.

Beyond interest, watch for origination or processing fees (flat or a percentage of the loan), late payment fees, and notarization fees where documents require it. Before disbursing funds on a closed-end consumer loan, the lender must give you a Truth in Lending Act disclosure showing the APR, the total finance charge in dollars, the payment schedule, late fees, and the total you’ll pay over the life of the loan.⁸ Read it. It’s the clearest single tool for judging whether the loan is worth the cost.

How to Apply

For a savings-secured or CD-secured loan, you apply through the bank or credit union holding the deposit. Bring government-issued ID and a current account statement, and sign a security agreement (sometimes called an assignment of deposit account) that gives the lender a legal claim to the pledged funds and specifies the dollar amount frozen. These loans are often funded within one to three business days.

For a life insurance policy loan, you request the loan directly from your insurer online, through an agent, or by mail, using your policy number and the amount you want. The insurer verifies sufficient cash value and confirms no other liens exist. Funding may take up to five business days.

For a 401(k) loan, you apply through your plan administrator, usually via your employer’s benefits portal. The administrator confirms your vested balance and that the amount falls within federal limits.

Whichever route you take, the lender will draft a promissory note laying out the repayment schedule, interest rate, and consequences of non-payment. That note is the binding contract.

What Happens If You Default

You lose the collateral. What that actually looks like depends on the asset.

Savings or CD loans. The bank applies your frozen funds to the outstanding balance through its right of setoff. You lose the portion of savings needed to cover the unpaid debt. Once the balance hits zero, the lender releases its security interest.¹
Life insurance loans. Any unpaid balance is deducted from the death benefit. If the loan plus interest exceeds the cash value, the insurer surrenders the policy, ending coverage. The cash value pays off the loan, and any gain in the policy is taxed as ordinary income.
401(k) loans. A defaulted loan becomes a “deemed distribution.” The outstanding balance is taxed as ordinary income for the year of default and can’t be rolled over to escape the tax. If you’re under 59½, you also owe the 10% early distribution penalty.⁹
Margin loans. The brokerage sells securities in your account, possibly at a loss if the market has dropped, to cover the debt. You may still owe more if the sale proceeds don’t cover the full balance.⁶

When a lender cancels $600 or more of debt in connection with seizing collateral, it must report the forgiven amount to the IRS on Form 1099-C. You may owe income tax on the canceled amount unless an exclusion applies, such as insolvency or bankruptcy.¹⁰

Tax Consequences to Know

Receiving loan proceeds isn’t a taxable event on its own. You have an obligation to repay, so the money isn’t income. Several things can still turn into a tax problem before you’re done.

Whether the Interest Is Deductible

Interest on a personal cash-secured or CD-secured loan is classified as personal interest and isn’t deductible. An exception: if the proceeds are used for investment purposes, the interest may qualify as deductible investment interest, limited to your net investment income for the year. 401(k) loan interest is generally not deductible. Margin loan interest may be deductible as investment interest if the borrowed funds are used to buy taxable investments.¹¹

Life Insurance Loans and Modified Endowment Contracts

Loans from a standard (non-MEC) life insurance policy aren’t taxable as long as the policy stays in force. Your premium payments are your cost basis, and under normal ordering rules you access that basis first before any gain becomes taxable.

A Modified Endowment Contract, which is a policy funded too quickly relative to the death benefit under the IRS’s seven-pay test, follows different rules. Loans and withdrawals from a MEC are taxed on a gains-first basis: you owe ordinary income tax on accumulated earnings before touching your premium payments tax-free. If you’re under 59½, a 10% early distribution penalty applies on top.

If a policy of either type lapses or is surrendered while a loan balance is still out, the difference between total distributions (including the loan) and your cost basis is taxable as ordinary income. That can produce a tax bill even though you never received cash beyond the original loan proceeds.

401(k) Loan Defaults and Job Changes

A 401(k) loan that isn’t repaid, whether from missed payments or job separation, becomes a taxable distribution. The outstanding balance is ordinary income, and the 10% early distribution penalty applies if you’re under 59½.³ If you leave your job, you can avoid this by rolling the outstanding balance into an IRA or another eligible plan before your tax return filing deadline (including extensions) for that year.⁴

Will It Help Your Credit

Sometimes. A savings-secured or CD-secured loan through a bank or credit union is often reported to the three major credit bureaus, so consistent on-time payments can gradually build or rebuild your score. Approval doesn’t depend much on existing credit because the collateral does the heavy lifting, which makes these loans accessible when your credit history is thin or damaged.

The other options don’t work this way. Life insurance policy loans aren’t reported to credit bureaus, since they’re transactions between you and the insurer rather than traditional lending. 401(k) loans are administered inside the plan and aren’t reported either. Margin loans also aren’t reported to consumer credit bureaus in the same way. If credit-building is part of why you’re borrowing, a savings-secured or CD-secured loan is the option that does the job.

1
Office of the Comptroller of the Currency (OCC). May a Bank Use My Deposit Account to Pay a Loan to That Bank?
2
Office of the Law Revision Counsel. 26 U.S. Code 7702 – Life Insurance Contract Defined
3
Office of the Law Revision Counsel. 26 U.S. Code 72 – Annuities; Certain Proceeds of Endowment and Life Insurance Contracts
4
Internal Revenue Service. Retirement Topics Loans
5
eCFR. 12 CFR 220.12 – Supplement: Margin Requirements
6
SEC.gov. Understanding Margin Accounts
7
FINRA. Know What Triggers a Margin Call
8
Consumer Financial Protection Bureau. Content of Disclosures
9
Internal Revenue Service. Retirement Plans FAQs Regarding Loans
10
Internal Revenue Service. Instructions for Forms 1099-A and 1099-C
11
Office of the Law Revision Counsel. 26 U.S. Code 163 – Interest