If you keep your emergency fund in a standard Bank of America savings account, you may be earning next to nothing on it.
The bank's most basic savings tier has long paid an annual percentage yield of just 0.01%, a rate that has barely budged even as the Federal Reserve held interest rates at elevated levels for much of the past two years.
On a $10,000 balance, that works out to about $1 a year.
Meanwhile, a growing number of online banks and credit unions have been paying in the 4% to 5% range on the same money, a gap that adds up to hundreds of dollars annually for a typical household.
The reason comes down to how big banks make money.
Bank of America and its peers fund themselves partly through customer deposits, and sticky savings balances let them pay little while lending that money out at much higher rates.
Customers who never shop around effectively subsidize the difference.
Bank of America does offer a higher-yield option, but it comes with strings.
The Preferred Rewards program boosts savings yields for customers who hit certain balance thresholds across their accounts, and promotional rates sometimes apply to new money for a limited period.
Those tiers can be worth checking if you already bank there, but they require maintaining thousands in combined balances.
Some of the bank's higher promotional rates have historically been tied to specific markets, meaning two customers with identical balances can earn different yields depending on where they live.
It pays to read the fine print on your account disclosure rather than assume the advertised rate applies to you.
For most savers, the practical move is simple: keep checking and bill-pay accounts where they are convenient, and move the emergency fund to an FDIC-insured high-yield savings account.
Transfers between banks typically take one to three business days, so it is worth keeping a small buffer in your everyday account to avoid overdrafts.
Confirm the account is FDIC insured, check for monthly fees or minimum balance requirements, and look at whether the rate is a temporary intro offer or a standing yield.
Some of the highest rates come from banks with thinner customer service, so weigh that against the extra interest.
Rates on savings accounts are not locked in.
When the Fed eventually cuts, high-yield accounts will likely drop too, often faster than the big banks move on the way up.
That means the gap between a 0.01% account and a 4% account can narrow quickly, and it is worth revisiting your setup once or twice a year rather than setting it and forgetting it.
The bigger point is that loyalty to a single bank rarely pays in savings.
The convenience of having everything in one app is real, but it has a price, and for many households that price is several hundred dollars a year in foregone interest.
Our take: leaving a large emergency fund in a near-zero savings account is one of the easiest money leaks to fix, and it takes about 20 minutes to open a better account online.
Final Thoughts
Just do not chase the single highest headline rate without checking the fine print, because the difference between a solid 4% and a flashy 5% promo is usually smaller than the hassle of switching twice.