Most high yield savings accounts have no minimum deposit requirement
You can open a high yield savings account with $0 at most banks and online financial institutions. Banks like Marcus, Ally, American Express Personal Savings, and Discover have no stated minimum to start an account. Some regional banks and credit unions do require a minimum—typically $25 to $500—but the largest providers competing on rate do not.
The catch is not the opening deposit but what happens after. Some accounts charge a monthly fee if your balance falls below a certain threshold, usually $500 to $2,500. Others waive fees entirely regardless of balance. Before you open an account, check whether the bank charges a maintenance fee and at what balance it kicks in.
If you are starting with very little money, look for an account with no monthly fee and no minimum balance requirement. That way you can deposit $1 and let it sit without penalty while you build up savings.
Key Takeaways
- Most online high yield savings accounts require $0 to open, though some regional banks and credit unions ask for $25 to $500 upfront.
- Monthly maintenance fees vary by bank—some charge $5 to $10 if your balance drops below a threshold, while others charge nothing at all.
- The account's APY (annual percentage yield) is what matters most, not the opening deposit, so compare rates across banks with no-fee options.
- You can open an account online in minutes with just an email, Social Security number, and a way to fund the first deposit.
How banks set minimum balance requirements
Banks that do require a minimum deposit use it as a screening tool. A $500 minimum, for example, signals that the bank wants customers who can maintain a balance—not accounts that sit dormant or cost more to service than they generate in revenue. Credit unions often have higher minimums because membership itself requires a deposit into a share savings account, which is separate from a high yield savings account.
Some banks waive the minimum if you set up automatic transfers or direct deposit. Ally, for instance, has no minimum at all, but other banks may lower or eliminate a $500 requirement if you commit to moving money in regularly. Read the fine print or call the bank to ask whether you can waive the minimum through automatic deposits.
Monthly fees and how to avoid them
A maintenance fee is charged monthly if your balance falls below a set level. This fee typically ranges from $5 to $10 per month. Over a year, a $5 monthly fee costs you $60—money that eats into the interest you earn. If you are starting with a small balance, a monthly fee can wipe out your gains entirely.
The easiest way to avoid fees is to choose a bank with no monthly maintenance fee, period. Online banks like Marcus, Ally, and American Express Personal Savings do not charge monthly fees regardless of balance. If you prefer a brick-and-mortar bank or credit union, ask directly whether they charge a maintenance fee and at what balance it applies. Some will waive it if you maintain direct deposit or automatic transfers.
Opening an account with a small first deposit
You can fund your first deposit in several ways: bank transfer from another account, ACH transfer, wire transfer, or debit card. Most online banks let you link an existing checking account and transfer money within one to three business days. Some allow you to fund immediately with a debit card, though the bank may hold the funds for a few days before they are available to earn interest.
If you have no other bank account to transfer from, you can deposit cash at a branch if the bank has physical locations, or ask your employer to send part of your paycheck directly to the new account. The first deposit does not have to be large—$1 is enough to open most accounts—but you will want to add money regularly to make the interest worthwhile.
When a higher opening deposit makes sense
If a bank offers a sign-up bonus for opening an account with a minimum deposit, the math may favor depositing more upfront. Some banks offer $50 to $200 bonuses if you deposit $500 or more and keep it there for 30 to 90 days. The bonus is taxable income, but it can offset the opportunity cost of locking money away temporarily.
Read the bonus terms carefully. Most require you to maintain the minimum for a set period—if you withdraw below the threshold before that time ends, you forfeit the bonus. If you need the money sooner, the bonus is not worth it. If you can afford to leave $500 or $1,000 untouched for three months, compare the bonus amount against the interest you would earn at the account's APY over that same period.
Comparing accounts by fee structure, not just opening deposit
The opening deposit is a poor way to compare high yield savings accounts. Two banks might both have no minimum, but one charges a $5 monthly fee and the other does not. Over five years, that $5 fee costs you $300—far more than most sign-up bonuses. Focus instead on the APY, any monthly fees, and whether the bank charges fees for transfers or account closures.
Use a comparison tool or spreadsheet to list the APY, monthly fee, minimum balance requirement, and any bonus for each account you are considering. Calculate what you would earn in interest over one year at your expected balance, then subtract any fees. The account with the highest net earnings is the one to choose, regardless of what the opening deposit requirement is.
Frequently Asked Questions
Can I open a high yield savings account with no money and fund it later?
Most online banks require at least a small deposit to activate the account, though some allow you to open it online and fund it within a few days. Call the bank to confirm their exact policy. If they require an immediate deposit, $1 is usually enough.
Do I need a minimum balance to earn interest?
No. Interest accrues on any balance, no matter how small. A $1 balance will earn a fraction of a cent per month at current rates, but it will earn something. The APY applies to whatever you have in the account.
What happens if my balance drops below the minimum after I open the account?
If the bank charges a maintenance fee, you will be charged monthly until your balance rises above the threshold again. If there is no monthly fee, nothing happens—your balance can stay low indefinitely. This is why choosing a no-fee account matters if you are starting small.
Is there a limit to how much I can deposit?
No deposit limit exists for high yield savings accounts themselves. However, the FDIC insures up to $250,000 per depositor per bank, so amounts above that are not protected if the bank fails. If you have more than $250,000 to save, open accounts at different banks to stay within the insurance limit.
Do I need a credit check to open a high yield savings account?
No. Banks perform a background check through ChexSystems (a banking history database) but do not pull your credit report. A poor credit score will not prevent you from opening a savings account. ChexSystems checks for unpaid overdrafts or fraud, not creditworthiness.