Who said 'Beware of little expenses'?

Benjamin Franklin wrote this proverb in Poor Richard's Almanack. It reflects his emphasis on frugality and careful money management. Franklin consistently warned against careless spending and small financial leaks that accumulate into larger problems.

What is the 'small leak sinks great ships' meaning?

The metaphor illustrates how small, overlooked problems can lead to major consequences. A large ship can withstand major storms but may sink from a small unnoticed leak. Similarly, major expenses might be managed, but many small untracked expenses can ruin finances.

How can I apply Franklin's warning about little expenses?

Apply it by: (1) Tracking all spending, not just large purchases, (2) Auditing subscriptions monthly, (3) Questioning recurring small purchases, (4) Using the 'latte factor' calculation to see annual impact of daily expenses, (5) Fixing financial 'leaks' immediately rather than ignoring them.

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Quotes & Wisdom

What Does "Beware of Little Expenses" Mean? Franklin's Money Warning

Q: What does 'Beware of little expenses; a small leak will sink a great ship' mean?

The quote warns that seemingly minor recurring expenses can accumulate over time and cause serious financial damage. Just as a small leak gradually fills a ship with water until it sinks, small careless expenditures can slowly drain your resources and undermine financial stability.

Franklin's 'small leak sinks great ships' wisdom anticipated the 'latte factor' by 250 years. Learn to identify and plug financial leaks.

9 min read

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January 31, 2026

"Beware of little expenses; a small leak will sink a great ship." Benjamin Franklin's warning fromPoor Richard's Almanack anticipated modern personal finance wisdom by 250 years. Small, overlooked spending can cause greater damage than obvious big purchases.

In an era of subscriptions, streaming services, and one-click purchasing, Franklin's caution about "little expenses" feels more relevant than ever.

Key Takeaways

Small recurring expenses accumulate into major financial drain
The "ship" metaphor: tiny leaks can sink large vessels
Franklin's Frugality virtue: track all spending
Modern application: audit subscriptions monthly
The "latte factor": $5/day = $1,825/year

Origin of the Quote

"Beware of little expenses; a small leak will sink a great ship."
— Benjamin Franklin, Poor Richard's Almanack

This proverb appeared in Franklin's Poor Richard's Almanack, his annual publication of practical wisdom. Franklin wrote extensively about money management and frugality.

For more of Franklin's financial wisdom, see our posts onFranklin's money quotes and the "A Penny Saved" meaning.

What the Quote Means

The Ship Metaphor

A "great ship" can weather storms, survive waves, and handle major challenges. But a small, unnoticed leak— just a trickle of water—will gradually fill the hull until the ship sinks.

The Financial Application

Your finances might handle big, planned expenses (cars, rent, major purchases). But many small, untracked expenses can quietly drain your resources:

Unused subscriptions you forgot to cancel
Daily convenience purchases
Small impulse buys
Fees you never questioned

The Psychological Trick

We scrutinize large purchases but wave through small ones. "It's only $10" we say—but ten $10 decisions equal $100 we never consciously spent.

Practice Franklin's System Today

Track your virtues with the same method Franklin used—now in a beautiful iOS app with morning reflections and evening reviews.

Get the App

The Latte Factor—Before Lattes

Modern financial advisor David Bach coined "The Latte Factor" to describe small daily expenses that compound into huge amounts. Franklin understood this 250 years earlier.

The Math

$5/day (coffee, etc.) = $1,825/year
$10/day (lunch + coffee) = $3,650/year
$20/day (various small buys) = $7,300/year

Modern "Leaks"

Today's small leaks include:

Streaming subscriptions — Netflix, Spotify, HBO, etc. ($50-100+/month)
App subscriptions — services silently billing monthly
Bank fees — ATM fees, overdraft fees, maintenance fees
Delivery fees — convenience charges that add up
In-app purchases — small gaming/app spending

Franklin's Frugality Philosophy

This quote connects to Franklin's Frugality virtue:

"Frugality: Make no expense but to do good to others or yourself; i.e., waste nothing."
— Benjamin Franklin, Autobiography

Key Principles

Every expense should have purpose
"Waste nothing" includes small amounts
Track all spending, not just major purchases

Franklin lived this philosophy. He tracked expenses meticulously, retired wealthy in his 40s, and spent his later years in public service rather than working for income.

For more on how Franklin built wealth, see our post onFranklin's saving strategies.

Applying This Wisdom

1. Monthly Subscription Audit

Review all recurring charges monthly. Cancel anything you haven't used in 30 days. The average American pays for multiple subscriptions they don't use.

2. Track All Spending for One Week

Record every purchase, no matter how small. Most people are shocked to see where their "little expenses" go.

3. Calculate the Annual Impact

Before any recurring small purchase, multiply by 365 (or 52 or 12). Would you pay $1,825 for this habit? That's what $5/day costs annually.

4. Fix Leaks Immediately

When you notice a financial "leak"—an unnecessary subscription, a fee you can avoid, an impulse buying habit— address it immediately. Small leaks don't fix themselves.

5. Automate Savings First

Pay yourself first through automatic transfers. What remains can cover expenses. This reverses the leak—money flows to savings before small expenses can claim it.

Track Your Frugality Virtue

Use our Ben Franklin Virtues app to practice the Frugality virtue: "Make no expense but to do good to others or yourself; waste nothing." Daily tracking reveals and plugs financial leaks.