Medical school is hard enough without money stress on top. Still, medical students make the same financial mistakes again and again during training, and they cost thousands of dollars and years of unnecessary worry.
We don’t mean buying coffee or ordering takeout once in a while. We mean bigger decisions with real consequences later on.
Most of these mistakes are avoidable once you know what to watch for. Here are the biggest ones we see medical students make, and how to avoid them.
1. Thinking “I’ll Worry About Money Later”
This is probably the most common mistake, and it’s easy to see why it happens.
When you’re buried in biochemistry and studying for Step 1, money is the last thing you want to think about. There’s also a belief that once you’re an attending on a real salary, your financial problems will 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].
The numbers say otherwise. 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, and the ones you put off, compound over time. Every year you wait to understand your loans, build credit, or learn basic investing is a year of compounding you lose.
One of the biggest financial illusions in medicine is that you can ignore money in training and make up for it later. A higher income doesn’t fix bad financial habits [2].
2. Not Understanding Your Student Loans
Student loans are probably the biggest financial commitment most of us make before we earn anything, yet many of us don’t understand how they work.
We sign the promissory notes, take the money, and plan to deal with it later. But loans differ in their interest rates, their repayment options, and what happens if you get them wrong.
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].
You can’t afford to leave these until after graduation: the difference between federal and private loans, which income-driven repayment plans exist, and whether Public Service Loan Forgiveness makes sense for you.
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, earn rewards, and can help in an emergency, but they can become a serious problem if you aren’t careful.
Among the most common financial 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, usually 15-25%. If you carry a balance, you’re throwing money away every month.
Credit itself isn’t the issue. Treating it like free money is [2].
If you use a credit card, pay it off every month, with autopay if that helps. The rewards and credit-building only pay off if you aren’t paying interest that wipes them out.
4. Choosing a School Based Only on Prestige
Prestige matters to people. It feels good to get into a highly ranked school, and a strong program has real value.
In medical school, though, prestige shouldn’t be the only factor, especially when schools’ costs differ so much.
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].
Say 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. That $200,000 difference will be accruing interest for years while you’re in residency making $60k.
Look at the total cost and the financial aid package, and ask whether the prestige is worth the price difference for your career goals.
5. Lifestyle Inflation (Even Before You’re an Attending)
Lifestyle inflation, also called lifestyle creep, is when your spending rises as your income goes up. It’s a big problem for new attendings, but it can 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 earn good money start spending as if they already do: a nicer car than they need, a more expensive apartment, or just looser spending because “I’ll be making attending money soon anyway.”
Spending against your future salary is understandable, but it’s harder to give up luxuries once they’re part of your monthly expenses [5].
Expensive habits formed in medical school or residency don’t disappear when you become an attending. They grow with your income, and you end up living paycheque to paycheque on $300k instead of $60k.
6. Not Having Any Emergency Fund
Cars break down, laptops die right before an important exam, and unexpected expenses come up all the time.
Without an emergency fund, you have 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 keep you from taking on high-interest debt when something comes up. Once you’re a resident or attending, you’ll want to build it 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
This mistake is easy to make: not tracking where your money goes.
If you don’t know how much you spend or on what, you can’t make good decisions about it. The money disappears, and you’re left wondering why you always feel broke.
A lot of people have no idea where their money goes. They hope things work out while small leaks slowly drain their savings [7].
You don’t need a complicated system. A simple budgeting app, or even a spreadsheet of your monthly spending, can make a big difference. Once you see where the money goes, you can decide what to cut and what to keep.
8. Not Investing in Your Success
This one might sound counterintuitive.
Sometimes spending money on the right things, such as MCAT prep, application services or USMLE tutoring, is 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 reapplying, that’s a large return. A gap year costs you a year of attending salary down the line, easily $300,000+ in opportunity cost.
That doesn’t mean paying for every service out there. But being too cheap on things that directly affect your success can cost you far more in the long run.
How to Avoid the Financial Mistakes Medical Students Make
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), and listen to podcasts about money on 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.
Above all, don’t assume you’ll figure it out later. The decisions you make now, even small ones, have a big effect on your financial future.
We’re all learning this as we go, since nobody taught us about money in undergrad or medical school. The earlier you start paying attention, the better off you’ll be.
There’s already enough stress in medical school without money adding to it.
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