How to Build an Emergency Fund

Start small and make it automatic.

By Money Rate Desk Editorial Team · Updated October 27, 2026 · 4 min read

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Piggy bank on a kitchen counter (illustrative)
Illustrative image.

Steps

  1. Set a goal. Start small, then grow it.
  2. Automate it. A recurring transfer on payday makes saving the default.
  3. Use windfalls. Tax refunds and bonuses can jump-start the fund.
  4. Keep it reachable and insured. A high-yield savings account works. See best high-yield savings accounts and FDIC insurance explained.
  5. Refill after you use it.

Money you will not need for a while can go into a CD. See best online CDs.

What counts as an emergency fund

The CFPB defines an emergency fund as a cash reserve set aside for unplanned expenses or financial emergencies. Its examples are car repairs, home repairs, medical bills and a loss of income. It is for costs that are not part of your routine monthly bills and spending. The CFPB’s own list of everyday shocks is a familiar one: a fender bender, a surprise medical bill, a broken appliance, lost income or a damaged phone.

Why it matters

Without savings, the CFPB says, even a minor financial shock can set you back. If it turns into debt, the effect can last. People who struggle to recover from a shock often rely on credit cards or loans, or pull from other savings such as retirement funds. With a credit card or loan, interest and fees can make a one-time expense grow much larger than the original bill.

How much to save

The CFPB does not set a single number. It says the amount depends on your situation and suggests a practical starting point. Think about the most common unexpected expenses you have had in the past and what they cost, and set your first goal from there. If you live paycheck to paycheck or your income varies, the CFPB says even a small amount provides some security.

Five CFPB strategies

StrategyHow it worksCFPB says it suits
Create a savings habitSet a goal, save a set amount on a schedule, track progress, celebrate milestonesAnyone, especially with steady income
Manage your cash flowTrack when money comes in and goes out; ask creditors to move due dates; save more in flush weeksAnyone
Use one-time moneySave all or part of a tax refund or a cash giftAnyone, especially with irregular income
Make it automaticRecurring transfers from checking to savingsAnyone with money coming in regularly
Save through workSplit a direct-deposit paycheck between checking and savingsThose with steady pay

If you have limited room to save, the CFPB says managing cash flow and saving part of a tax refund are the easiest places to start. With automatic transfers, keep an eye on your checking balance so a transfer does not cause an overdraft fee. A balance alert or calendar reminder helps.

Where the CFPB says to keep it

The CFPB says the fund should be safe, accessible and somewhere you will not be tempted to spend it. It lists three options:

  • A bank or credit union account, which it calls one of the safest places for money. A separate, dedicated account keeps the fund apart from everyday spending.
  • A prepaid card, which is not linked to a bank account and limits spending to what is loaded on it.
  • Cash, at home or with someone you trust. The CFPB warns that cash can be lost, stolen or destroyed.

When to use it

Set your own rules for what counts as an emergency and stick to them. A medical bill that insurance did not cover can qualify even if it was not an ER visit. The CFPB’s last point: do not be afraid to use the fund when you need it. Then rebuild it.

Where to keep it

AccountAccessInsuranceRate
High-yield savingsTransfers, often limited per cycleFDIC up to $250,000 per depositor, per bank, per ownership categoryVariable
Money market accountDebit card and checks at some banksFDIC (same limits)Variable
CDPenalty for early withdrawalFDIC (same limits)Fixed for the term

The FDIC limit is from FDIC insurance explained. Compare accounts in Marcus vs Ally savings and Ally money market vs savings.

Frequently asked questions

Where should I keep it?

Somewhere safe and easy to reach, such as an insured savings account.

How much do I need?

CFPB suggests starting with a small goal and building up.

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