TSP Loan vs AER vs Personal Loan: Which Door Won't Wreck You

The transmission dies on the 3rd of the month and the shop wants $3,000 by Friday. You've got three doors: the Army's emergency fund, your own retirement account, or a lender. Most soldiers pick the wrong door first, and the price difference between them runs into four figures.

Door 1: AER. Start Here.

Army Emergency Relief is a zero-interest loan. Not low-interest. Zero, with no fees, no credit check, and nothing reported to a credit bureau. It exists for exactly this situation: car repair, rent, utilities, emergency travel, food, medical and dental bills. Repayment comes out as a DFAS allotment you'll barely notice.

Two things most soldiers don't know. Your company commander or first sergeant can approve up to $2,000 on their own authority, fast, without a trip to the AER office. And the online portal works from anywhere in the world, with approved funds arriving by direct deposit, Zelle, or PayPal, often within 48 hours. Junior enlisted can even knock up to $200 off the balance by completing AER's financial training ($100 for sergeants and above).

AER won't cover everything. Vehicle purchases, fines, bail, and legal fees are out, and the emergency generally needs to be the unforeseen kind. If pride is the obstacle, get over it; the fund is built from soldiers' own donations and helped 28,000+ soldiers and families last year. Navy and Marine Corps have NMCRS, Air Force has AFAS, Coast Guard has CGMA. Same idea, same zero percent.

Door 2: The TSP Loan

Borrowing from yourself sounds free. It isn't, but the costs are different from a normal loan, and worth understanding precisely.

Terms first: $1,000 minimum, up to $50,000 ceiling, bounded by half your vested balance and reduced by any loan balance you carried in the last 12 months. The interest rate is the G Fund rate when you apply, 4.5% as of June 2026, locked for the life of the loan, and every interest dollar goes back into your own account. General purpose loans run 1 to 5 years with a $50 fee; residential loans go longer and cost $100. Repayment is automatic through payroll.

The real danger is separation. Leave the Army with a balance outstanding and the unpaid amount becomes a taxable distribution: income tax due, plus a 10% penalty unless you separated in or after the year you turned 55. There's a recovery option almost nobody uses; as a qualified plan loan offset you have until your tax filing deadline, extensions included, to roll the amount into an IRA and erase the tax bill. But the clean rule is simpler: if your ETS date falls inside the loan term, this door is mislabeled.

Door 3: The Personal Loan

Sometimes it's the right door: the expense isn't an AER-coverable emergency, your TSP balance is thin, or you're separating soon. If you go here, go armed. The Military Lending Act caps the all-in rate (MAPR) at 36% on most consumer credit for active-duty members and dependents, which is why the shops outside the gate quote 35.99%. A 36% cap is a ceiling, not a price. Start at a credit union, where military-friendly personal loans commonly run in the low teens, and treat anything quoting near the cap as a last resort. For debt you took on before active duty, SCRA separately caps the rate at 6% while you serve, but you have to invoke it.

The Decision in Thirty Seconds

Is it a genuine emergency AER covers? AER, full stop; zero beats everything. Not AER-eligible, but you have TSP balance and you'll still be in uniform past the payoff date? TSP loan, eyes open about the market trade. Neither? Credit union first, MLA cap in your back pocket, gate lenders never. On a $5,000, 24-month comparison: AER costs $0, the TSP loan costs the fee plus whatever the market does, a 14% credit union loan costs about $770 in interest, and a 36% MAPR product costs about $2,100. Same transmission, four very different bills.