Where Your Bank Profits From Your Inactivity (2026)

This article is for general information only and is not financial or legal advice. Rules, offers, and availability can change by country and over time.

Why inertia is profitable

Banks are businesses. When customers don't review their accounts, it's easier for outdated products and small fees to persist. That doesn't mean your bank is doing anything unusual — it means inertia is part of how financial products work across the industry.

The difference between an active and a passive customer is often hundreds of pounds or dollars per year: a better savings rate here, a removed fee there, an avoided overdraft charge. None of these require changing banks — they just require paying attention once in a while.

Common ways inactivity costs you

Low savings rate. Your savings account may have been competitive when you opened it, but rates change. If you haven't checked in the last 12 months, you could be earning significantly less than accounts available right now.
Legacy account fees. Some older current accounts or "packaged" accounts charge monthly fees for benefits you may no longer use (travel insurance you don't need, breakdown cover you've replaced).
Overdraft usage and charges. Many overdraft costs are triggered by timing — a direct debit going out a day before your salary arrives. Setting up a small buffer or adjusting payment dates can eliminate this entirely.
"Set and forget" products. A savings account from years ago earning close to nothing.
Unused rewards or cashback. Some accounts offer cashback on direct debits or spending, but only if you opt in or meet specific conditions. Check whether you're missing out.

The 15-minute bank efficiency check

Do this once or twice a year. It takes about 15 minutes:

Check your savings rate. Log in to your savings account and find the current interest rate (not the rate you were quoted when you opened it). Compare it to top rates available right now using a comparison site for your country.
Scan statements for recurring fees. Look for monthly charges you don't recognise or don't use. Packaged account fees, paper statement charges, and add-on insurance are common culprits.
Review overdraft usage. Look at the last three months. If you're regularly going into overdraft, check whether adjusting a direct debit date or setting up a small buffer would fix the timing problem.
Check matured products. If you have any fixed-rate bonds, savings, or term deposits, confirm they haven't rolled into a low-rate account after maturity. If they have, move the money.
Close genuinely unused accounts where appropriate. Before closing, double-check that no direct debits or standing orders are still linked to the account.
Update your contact details so you receive important notices about rate changes, product changes, or unclaimed balances.

Specific things to check by account type

Current accounts: Are you paying a monthly fee? Do you meet the criteria for any fee-free alternatives? Are you using the account's built-in cashback or rewards (if offered)?
Savings accounts: Is the rate still competitive, or has it dropped since the introductory period ended?
Credit cards: Are you paying interest unnecessarily? Could a balance transfer save you money? Are there annual fees for benefits you don't use?
Old accounts: Do any have a positive balance you've forgotten about? For dormant accounts, see our guide on finding lost money.

The credit card minimum payment trap

There is one inactivity cost that deserves its own section, because it is one of the most expensive financial habits most people don't think of as a habit at all: paying only the minimum on a credit card balance.

When you carry a revolving balance and pay just the minimum each month, the bank charges interest on the remaining balance — and that interest compounds. On a £2,000 balance at a typical 22% APR, paying only the minimum each month (usually around 1–2% of the balance or a set floor) will take approximately 17 years to clear and cost around £3,000 in interest charges. You pay back more than twice what you borrowed.

This is entirely legal. It is disclosed in your credit agreement. And it is one of the most reliable profit centres a credit card issuer has — because inertia keeps most people making the minimum payment every month without revisiting the decision.

The rule is simple: always clear the full statement balance. If you cannot do that this month, set a plan to do it next month and set up a direct debit for the full amount so it happens automatically. If you are carrying a large balance and the interest is significant, a balance transfer to a 0% introductory rate card may reduce the cost while you pay it down — but read the transfer fee and the terms carefully.

Paying the minimum is not always avoidable in a difficult month. But treating it as a default every month is quietly one of the most expensive financial decisions a household can make.

Important perspective

Inactivity profit is standard across financial services. The solution isn't paranoia — it's periodic review. A few small checks per year can materially improve your financial efficiency without requiring you to become a finance expert.

If you want one simple action

Turn on account alerts (low balance, large transaction) and schedule a twice-yearly bank review using the steps above. Those two steps prevent most "inertia losses." For a broader approach to catching financial waste, see our monthly leak check.