Medical school is hard enough without adding money stress to the mix. But the truth is, a lot of us make the same financial mistakes during our training—mistakes that cost us thousands of dollars and years of unnecessary stress.
We’re not talking about small things like buying coffee or ordering takeout once in a while. We’re talking about bigger decisions that have real consequences down the line.
The good news is that most of these mistakes are completely avoidable once you know what to watch out for. So here are the biggest financial missteps we see medical students making—and how to avoid them.
1. Thinking “I’ll Worry About Money Later”
This is probably the most common mistake, and it makes sense why it happens.
When you’re drowning in biochemistry and studying for Step 1, the last thing you want to think about is money. Plus, there’s this idea that once you become an attending and start making a real salary, all your financial problems will magically disappear.
The common misconception that as a doctor you’ll never have to worry about money again leads too many students to figure they’ll worry about finances later [1].
But here’s the reality. If a medical student graduates with $300,000 in debt and that debt starts accruing interest the moment they take it out, by the time they’re an attending making aggressive payments, that amount can be closer to $400,000 or more [1].
The decisions you make now—or don’t make—compound over time. Every year you wait to understand your loans, start building credit, or learn basic investing principles is a year you lose to the power of compounding.
One of the biggest financial illusions in medicine is the idea that you can ignore money in training because you’ll make up for it later, but higher income doesn’t magically fix bad financial habits [2].
2. Not Understanding Your Student Loans
Student loans are probably the biggest financial commitment most of us will make before we even start earning, yet so many of us don’t actually understand how they work.
We sign the promissory notes, take the money, and figure we’ll deal with it later. But different loans have different interest rates, different repayment options, and different consequences if you mess up.
One poll respondent said the biggest mistake they made was not refinancing their loans until the second year they were an attending, which cost them more than $50,000 in extra interest payments [3].
Understanding the difference between federal and private loans, knowing what income-driven repayment plans exist, and figuring out if Public Service Loan Forgiveness makes sense for you—these aren’t things you can afford to ignore until after graduation.
The earlier you understand your loans, the better decisions you can make about managing them.
3. Letting Credit Card Debt Pile Up
Credit cards are useful. They build credit, offer rewards, and can help in emergencies. But they can also become a serious problem if you’re not careful.
Among the most common money mistakes cited by medical students in polls were credit card debt and buying items they did not need [3].
The problem with credit card debt is the interest rate. We’re usually talking 15-25% interest, which means that if you’re carrying a balance, you’re essentially lighting money on fire every month.
Credit itself isn’t the issue—it’s treating it like free money that becomes the problem [2].
If you use a credit card, pay it off every month. Set up autopay if you need to. The rewards and credit-building benefits are great, but only if you’re not paying interest that wipes out those benefits and then some.
4. Choosing a School Based Only on Prestige
We get it. Prestige matters. It feels good to get into a highly ranked school, and there’s definitely value in a strong program.
But when it comes to medical school, prestige should not be the only factor—especially when different schools have vastly different costs.
Students and their parents often prioritize the prestige of a program too far above other factors, but prestige in medical schools is arguably less important compared to college universities [1].
If you’re choosing between a state school that will leave you with $150,000 in debt and a private school that will leave you with $350,000 in debt, that $200,000 difference is significant. That’s $200,000 that will be accruing interest for years while you’re in residency making $60k.
Think about the total cost, the financial aid package, and whether the prestige difference is actually worth the price difference for your specific career goals.
5. Lifestyle Inflation (Even Before You’re an Attending)
Lifestyle inflation—also called lifestyle creep—is when your spending increases as your income goes up. And while this is a huge problem for new attendings, it can actually start much earlier.
Even medical students and residents might find themselves suffering from future lifestyle inflation, where they’re overspending in anticipation of an earnings spike after completing their residency [4].
We’ve seen this happen. Medical students who know they’ll eventually make good money start spending like they already do. They buy a nicer car than they need, rent a more expensive apartment, or just generally spend more freely because “I’ll be making attending money soon anyway.”
The problem is that while it’s understandable to start spending based on your future salary, it’s harder to remove luxuries once they’re part of your monthly expenses [5].
If you develop expensive habits during medical school or residency, those habits don’t magically disappear when you become an attending. They just scale up with your income, leaving you living paycheck to paycheck on $300k instead of $60k.
6. Not Having Any Emergency Fund
Life happens. Cars break down. Laptops die right before an important exam. Unexpected expenses come up all the time.
Without an emergency fund, you’re forced to either put these expenses on a credit card (and pay interest) or scramble to find the money somewhere else.
Even a small emergency fund—say, $1,000—can save you from having to take on high-interest debt when something unexpected happens. And once you’re a resident or attending, you’ll want to build that up to cover several months of expenses.
One of the best things we can do as residents is protect ourselves and our future income by setting up an emergency fund and getting disability insurance [6].
7. Ignoring Your Financial Progress
Here’s a mistake that’s easy to make: not tracking where your money is going.
If you don’t know how much you’re spending or where it’s going, you can’t make good decisions about it. Money just quietly disappears, and you’re left wondering why you feel broke all the time.
A lot of people have no clue where their money goes—they’re flying blind, hoping things work out while their wealth slowly bleeds away through a thousand tiny cuts [7].
You don’t need some complicated system. A simple budgeting app or even a spreadsheet where you track your monthly spending can make a huge difference. Once you see where your money is actually going, you can make informed decisions about what to cut and what to keep.
8. Not Investing in Your Success
This one might sound counterintuitive, but hear us out.
Sometimes spending money on the right things—MCAT prep, application services, USMLE tutoring—is actually the smart financial move.
Students often skimp on resources that would ensure they get into medical school or residency, but they don’t realize the risk and financial cost of a failed application [7].
If spending $2,000 on MCAT prep helps you score 5 points higher and get into medical school on your first try instead of having to reapply, that’s a massive return on investment. A gap year costs you a year of attending salary down the line—easily $300,000+ in opportunity cost.
We’re not saying to spend recklessly on every service out there. But being too cheap on things that directly impact your success can end up costing you way more in the long run.
What You Can Do About It
The good news is that all of these mistakes are avoidable.
Start by educating yourself. Read a book like The White Coat Investor. Follow personal finance blogs aimed at medical professionals (Like this one!). Listen to podcasts about money during your commute.
Understand your student loans. Know what you owe, what the interest rates are, and what your repayment options will be.
Build credit early. Get a credit card, use it responsibly, and pay it off every month.
Track your spending. Know where your money is going so you can make informed decisions.
Most importantly, don’t fall into the trap of thinking you’ll figure it all out later. The decisions you make now—even small ones—have a big impact on your financial future.
We’re all learning this stuff as we go. Nobody taught us about money in undergrad or medical school. But the earlier you start paying attention, the better off you’ll be.
Because there’s already enough stress in medical school. Money doesn’t have to be one of them.
References:
- Jubbal, K. (2025, May 24). Medical students—avoid these costly financial mistakes! Med School Insiders. https://medschoolinsiders.com/pre-med/avoid-these-pre-med-med-student-financial-mistakes/
- Acholonu, R. (2025, December 15). Don’t make the financial mistakes I made as a younger doctor. Panacea Financial. https://panaceafinancial.com/resources/dont-make-the-financial-mistakes-i-made-as-a-younger-doctor/
- Robbins, R. (2023, January 19). Money mistakes med students make and how to avoid them: Poll. Medscape. https://www.medscape.com/viewarticle/987181
- Laurel Road. (2024, October 4). 5 habits to help doctors avoid lifestyle inflation. KeyBank. https://doctors.key.com/resources/5-habits-to-help-doctors-avoid-lifestyle-inflation/
- American Medical Association. (2024, May 7). 3 tips to avoid lifestyle creep as a young physician. https://www.ama-assn.org/medical-residents/medical-residency-personal-finance/3-tips-avoid-lifestyle-creep-young-physician
- Taylor, A. (2022, February 14). Common financial mistakes among early-stage physicians. Op-Med, Doximity. https://opmed.doximity.com/articles/common-financial-mistakes-among-early-stage-physicians
- Jubbal, K. (2025, September 10). 10 money mistakes that keep even doctors broke. Kevin Jubbal, M.D. https://kevinjubbalmd.com/articles/money/doctor-money-mistakes