Sinking Funds: What They Are and How to Use Them

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Surprise, surprise … life isn’t just rent and groceries. It’s also busted tires, friend weddings, holiday gifts, and that lovely moment your phone decides to swan-dive into a toilet. Enter the sinking fund: your secret weapon for staying cool when planned-but-pricey expenses roll around. It’s budgeting with foresight, not panic.

The best part? You don’t need to be some spreadsheet wizard to make it work. You just set a goal, break it into smaller bites, and chip away little by little until the expense arrives. Instead of scrambling, you’re ready, thanks to something called sinking funds. Future-you will be very impressed.


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What is a sinking fund?

A sinking fund is money you intentionally set aside for an expense you know is coming, whether it’s your annual car registration or your next vacation. Unlike your emergency fund (for unpredictable disasters) or a generic savings account (for big-picture goals), a sinking fund is specific. You decide the purpose, stash cash regularly, and then spend guilt-free when the bill arrives.

Think of it like a financial “bucket.” Each bucket is labeled for a specific goal: “holiday gifts,” “new couch,” “Bruno’s vet bills.” When the moment comes, you pull money from that bucket and keep your budget intact.

Sinking funds vs emergency funds

Emergency funds = “oh no, the roof caved in.” 

Sinking funds = “oh yes, I planned for this new roof.”

Emergency funds are for unplanned, urgent surprises like job loss, medical bills, or surprise home repairs. Sinking funds are for predictable expenses you don’t want to finance with debt, such as taxes or vacations.

The difference is intention. Emergency funds keep you safe from chaos. Sinking funds let you spend without regret. 

Sinking funds vs savings accounts

A traditional savings account is more open-ended; as in, major you’re saving for “the future.” But a sinking fund has a mission. It’s laser-focused on one category, like replacing your laptop every four years.

Another difference: savings accounts often serve as long-term reserves or investments, while sinking funds are shorter-term and constantly in use. Think of savings as your “forest,” and sinking funds as the individual “trees” you’re planting for specific purposes.

Benefits of sinking funds

Before you shrug this off as “just another savings hack,” here’s why sinking funds can actually change the way you handle money. They’re not just a nice-to-have; they’re a financial stress reliever, a debt-avoider, and a guilt-free spending tool all rolled into one.

  • Reduce financial stress: You’ll never dread the holiday shopping season again because the money’s already waiting.
  • Avoid debt: Instead of swiping your credit card and paying interest, you pay upfront and keep debt at zero.
  • Plan for future expenses: Home maintenance, car repairs, vacations, birthdays — all predictable if you think ahead.
  • Spend guilt-free: You don’t feel bad about buying the new laptop when the fund exists specifically for it.
  • Stay organized: Your budget stops being one giant mystery pot of money and starts looking like an intentional plan.

Types of sinking funds to consider

So what should you actually save for? The short answer: anything predictable that could blow up your budget if you don’t prepare. Here are some sinking funds categories most people find helpful:

  • Home maintenance: Roof repairs, plumbing emergencies, paint refreshes, or upgrading appliances before they die.
  • Vehicle expenses: Oil changes, registration renewals, insurance increases, tires, or that inevitable brake replacement.
  • Travel and vacations: Flights, hotels, rental cars, or even smaller weekend getaways.
  • Holidays and gift giving: Birthdays, weddings, anniversaries, or holiday gifts are all easier to manage when you prep.
  • Pet care: Veterinarian visits, grooming, medications, or boarding when you travel. Pets are amazing, but not cheap.
  • Tax payments: Freelancers, gig workers, and side hustlers know quarterly tax bills don’t play.
  • Insurance funds: Annual or semi-annual premium payments that can blow up your monthly budget if you’re not ready.
  • Gadget replacement: Laptops, phones, tablets, or even TVs that you know will need updating eventually.
  • Relocation fund: Moving expenses, security deposits, and packing supplies if you rent or expect to relocate.

How to set up a sinking fund

Inspired by the sinking funds examples above and want to set up your own? The concept is simple, but the execution works best when you’re intentional. Here’s a step-by-step roadmap for creating sinking funds that actually stick:

Step 1: Determine the purpose

Be clear. Is it for your next car? Holiday shopping? A bathroom renovation? Naming it keeps you accountable.

Step 2: Set a target amount

Estimate realistically. Example: new tires might be $600, while a Europe trip might be $3,000.

Step 3: Determine the timeframe

Estimate realistically. Example: new tires might be $600, while a Europe trip might be $3,000.

Step 4: Open a dedicated savings account

Stuck on how to manage sinking funds? Stick by the golden rule of devoting one account to each goal. Separate accounts make it harder to dip into funds by mistake. Some banks even let you nickname accounts (“New Couch Fund”).

How many sinking funds should you have? 

Not sure how many buckets you really need? The truth is, it depends on your income, lifestyle, and what financial landmines you know are coming. Here’s a quick way to think about it:

There’s no magic number. If you’re new, start with two or three categories that matter most (car, holidays, travel). As your sinking fund budget grows, add more. Too many at once and you’ll feel stretched thin.

Tips for maintaining and adjusting sinking funds

Setting up sinking funds is only half the game; the real challenge is sticking with them. Use these strategies to stay consistent and adjust when life throws you curveballs:

  • Automate contributions: Treat them like bills. The less willpower required, the better.
  • Reevaluate yearly: Goals shift. If you nailed your vacation fund, redirect that $200/month to your home repair fund.
  • Adjust when life changes: New baby? Bigger apartment? That means new sinking funds.
  • Use apps: Budgeting tools like MoneyLion keep your sinking funds organized and transparent, so you always know what’s funded and what’s not.

Where to keep sinking funds

High-yield savings accounts are usually the best choice. Easy to access, separate from checking, and they earn a little interest while you wait. Certificates of deposit or investments are too restrictive; you need this money liquid.


MoneyLion offers a convenient marketplace to compare high-yield savings accounts from our trusted partners that could help grow your money.


Stay Ahead of the Curve

Sinking funds aren’t just for money nerds; they’re an indispensable hack for anyone who wants fewer financial “surprises.” With a little planning, you’ll dodge debt, stress less, and finally feel like you’re driving your money instead of chasing it.

FAQs

What is the purpose of a sinking fund?

To stash cash for a specific, expected expense so it doesn’t wreck your budget.

Why do they call it a sinking fund?

The term comes from debts or bonds being “sunk” over time; you’re slowly lowering the balance.

How much money should you put in a sinking fund?

How to save for sinking funds is a simple equation: Divide the total cost of the goal by the number of months until you’ll need it.

Do sinking funds count as savings?

Yes. But unlike general savings, they’re earmarked for specific purposes.

What are sinking funds? 

Dedicated mini-savings accounts for predictable expenses like vacations, repairs, or taxes.