Emergency Fund vs. Credit Card: Which One Should You Trust in a Crisis?

Emergency Fund vs. Credit Card – Why set aside an emergency fund when you could invest that money instead? Can a credit card serve as a reliable backup in emergencies? Let’s break it down!

When I recommend that someone set aside X amount as their emergency fund, they are often surprised by the figure I suggest—typically around six months’ worth of expenses. Many don’t pay much attention to their monthly spending, but when that number is multiplied by six, it suddenly seems overwhelming. However, my advice remains the same: setting aside this amount is crucial for financial security.

The next question they often ask me is, “Why keep such a large emergency fund in a bank FD or debt fund when it loses value over time? Wouldn’t it be better to invest in equity mutual funds and rely on a credit card instead?” Many of them have a decent credit card limit, which makes them believe they can skip maintaining a traditional emergency fund.

Emergency Fund vs. Credit Card: Which One Should You Trust in a Crisis?

The problem with this mindset is that they have never truly tracked their expenses. While they may earn a decent income, their spending habits are often extravagant. Ironically, when it comes to setting aside six months’ worth of expenses as an emergency fund, the amount feels overwhelming—yet their lavish spending never does!

Let me break up this post into two parts when to use a credit card as your emergency fund and when not.

When to use Credit Card as an emergency fund?

During the second wave of COVID-19 in 2020, my wife, daughter, and I all tested positive. While their conditions remained stable, I started feeling a bit uneasy about my own health. Some of my doctor clients advised me to stay home as long as my oxygen levels were normal, while others suggested hospital admission as a precaution. Their concern was that if my oxygen levels dropped and all three of us needed hospital beds, finding one could become a serious challenge.

Even though the hospital belonged to one of my clients and usually accepted cashless hospitalization, the high demand at the time led them to insist that I pay the bill upfront and later claim the amount from my health insurance provider.

At that time, I had a Rs.10 lakh family floater health insurance policy along with a Rs.65 lakh Super Top-Up plan. However, given the heightened uncertainty during COVID, I decided to increase my emergency fund significantly—from the usual 6 months of expenses to 24 months—to ensure better financial security.

Looking back, we were admitted to the hospital on 1st May 2020. My wife and daughter were discharged on 5th May, while I remained hospitalized until 7th May. Despite having sufficient health insurance (Rs.10 lakh family floater + Rs.65 lakh Super Top-Up) and a well-funded emergency corpus, I chose to pay the hospital bills using my credit card instead. The reason? I was confident that the hospitalization cost was significantly lower than both my insurance coverage and emergency fund, allowing me to manage liquidity efficiently.

After being discharged from the hospital, I applied for reimbursement with my health insurance company, and they settled the claim within around 15 days. Since my credit card billing cycle falls on the 20th of every month, with the payment due before the 10th of the following month, I had ample time to clear the dues. Since I had swiped my credit card on the 5th and 7th of May, I effectively got nearly a month’s time to make the payment without any interest burden.

In case the health insurance company had rejected our claims (mine, my wife’s, and my daughter’s), I had a backup plan—my emergency fund was more than sufficient to clear the credit card bill without touching a single rupee from my goal-based investments. This way, I was financially prepared for the worst. However, as mentioned earlier, the claim was settled—100% for my wife and daughter, and around 90% for me. Using my credit card strategically not only gave me the flexibility to manage payments but also ensured a smooth financial flow during a stressful time.

The key takeaways from my experience are:

• Use a credit card only when you are certain about the exact emergency fund required.
• Always have a clear backup plan—if you use your credit card, you must be 100% sure that you can repay the bill within the due date without any delay.
• If you are unsure of the emergency amount needed or don’t have an emergency fund (or other liquid assets) aside from your goal-based investments, never rely on a credit card as your emergency fund—it can backfire at any moment.
• Without a proper backup, you could either:
  • Miss the due date and incur heavy interest charges.
  • Be forced to withdraw money from your long-term investments, disrupting your financial goals.

So, while a credit card can be a smart financial tool in emergencies, it should never be your primary or only safety net.

When NOT to Use a Credit Card as an Emergency Fund

• When You Are Unsure of the Emergency Amount – If you don’t know how much money will be required, relying on a credit card can be risky, as the expenses may spiral beyond your repayment capacity.
• When You Lack a Liquid Backup – If you don’t have an emergency fund or any liquid assets (apart from investments meant for your financial goals), using a credit card can put you in a debt trap.
• In Case of Hospitalization with Insufficient Health Insurance – If your health insurance coverage is inadequate, depending on a credit card to pay medical bills can lead to huge financial stress, especially with high interest rates if you can’t repay in time.

Bottom Line: A credit card should be a short-term liquidity tool, not a replacement for a well-planned emergency fund. If you don’t have a clear repayment strategy, it may backfire badly, leading to unnecessary debt or forcing you to dip into your long-term investments.

Refer to this article which I wrote immediately after my discharge “My experience of Covid and Personal Finance Lessons“.

Alternatively, you can watch below video to understand the whole article in simple way.