Personal Finance
7 Smart Ways to Use Side Hustle Income (And Build Your Financial Future)
What you'll learn: Ways to earn more, save better, and get the most out your side gig.
EXPECTED READ TIME:12 MINUTES
There’s your 9-to-5. It pays the bills, maybe even a little extra. But deep down, you feel like you’re coasting. You’re still playing catch-up, and your dreams aren’t quite within reach.
What if you could flip that script?
Imagine a life where a surprise bill doesn’t send shivers down your spine or booking that dream vacation doesn’t derail your entire year.
That’s the power of a side hustle income. Let’s look at seven no-fuss ways to make those on-the-side gains work hard for you.
Why Side Hustle Income Is a Gamechanger
Let’s be real. Relying on one paycheck these days isn’t always easy. Inflation, student loans, commuting costs, and a growing family — it all adds up. So, you decide to turn your downtime into a mission to stash some cash. You hop into your car for a peak-hour rideshare shift, share your sewing obsession with the world as a content creator and small business owner, tutor a high schooler, or take your neighbor’s dog for a walk.
As you can see, side hustles come in all shapes and sizes, with options to fit your lifestyle and interests.
Did you know that roughly one in four Americans have a side gig? Gen Zers make up the largest group of side hustlers, followed by millennials.
While most people are in it to boost their bank accounts, they enjoy other benefits too. Earning a second income often comes with flexibility. You get to set your rates and schedule. For example, if you’re all about work-life balance, you can plan to complete your freelance projects before the holidays, so you get to spend time with family. Or, if you have your own small business, you can map out rate tiers for different projects.
A side gig can also help you ride out job uncertainty and income swings. Plus, if you’re strategic (or lucky), job number two could lead you back to your first love, your true passion.
No matter your why, a side hustle income can help you fast-track your goals and achieve financial independence — but only if you manage it wisely.
1. Pay Off High-Interest Debt First
First on the list of savvy side income management tips is squashing debt. There are different types of debt. Credit card debt is usually the biggest culprit for nearly half of the American population, with average credit card interest rates hovering at 24%.
Trying to take control of your finances while carrying high-interest debt can feel like filling a bucket with a hole at the bottom. No matter how small, that puncture can drain your progress. But with some extra, hard-earned funds, you can plug that leak. Here’s how.
The Debt Avalanche Method
This debt elimination strategy takes just three steps.
- First, list all your debts from the one with the highest interest rate down to the lowest.
- Next, funnel your extra cash into the debt with the highest interest, while still making minimum payments on the others.
- Final step: Once you’ve eliminated that debt, tackle your second list item (that’s the debt with second-highest interest). Keep at it until your list is no more!
Debt Avalanche Example
- You have a credit card with a 23.99% interest rate, another card with a 19.99% interest rate, and a student loan with an 8.99% interest rate. You want to spend $500 additional per month from your side gig to pay down debts.
- Pay the minimum payment + $500 toward the 23.99% card, while continuing with minimum payments on the loan and other card.
- Once that first debt is eliminated, apply the extra $500 per month + minimum payment to the 18.99% card, while continuing with the minimum payment on the student loan.
- Once that one’s paid off, use the extra $500 + minimum to pay down the student loan debt faster.
The perk: This method saves you the most money on interest over time.
The Debt Snowball Method
This three-step method is all about building momentum.
- Start by listing all your debts from the lowest balance to the highest, ignoring interest rates for a moment.
- Then, it’s game time. Aggressively pay off the smallest debt with your side income until it’s history. Don’t forget to keep making minimum payments on the rest of your balances.
- Now, move on to the next smallest debt. This time, you’ll be making minimum payments plus the amount you were paying on the previous debt . Keep going until you’re down to a $0 balance and repeat with the next smallest debt.
Debt Snowball Example
- You owe $1,350 on one credit card, $6,400 on a student loan, and $8,200 on a second credit card. You want to spend $500 additional per month from your side gig to pay down debts.
- Aggressively pay down the $1,350-balance card with the extra $500 + the minimum payment, while continuing with minimum payments on the loan and other card.
- Once that smallest debt is eliminated, apply the extra $500 per month + minimum payment to the student loan, while making minimum payments on the other card.
- Once the loan is paid off, use the extra $500 + minimum to pay off the remaining credit card balance.
The perk: The snowball effect brings quick wins, helping you stay fired up.
Trying to take control of your finances while carrying high-interest debt can feel like filling a bucket with a hole at the bottom.
2. Build an Emergency Fund
Life loves to throw curveballs. A major car repair or job setback can come out of nowhere. Without a buffer, these unexpected moments can turn into full-blown crises that force you to go into debt. An emergency fund can help.
The golden rule is to have three to six months of your essential living costs saved.
Where to Keep Your Emergency Fund
Your emergency fund needs to be two things. First, it should be liquid, meaning you can get to it easily. Two, you want it to be safe. This means keeping it out of risky investments and in a secure account.
Here are two places to keep your rainy-day money.
- High-yield savings account (HYSA): HYSAs have higher interest rates compared to regular savings accounts (with some exceeding 4%). This allows your money to grow a little faster.
- Money market accounts: This option is a close cousin to the HYSA. Offered by banks and credit unions, money market accounts combine competitive interest rates with the benefits of a checking account. This includes debit cards and check-writing capabilities.
How to Automate Savings With a Side Income
Here are two ways to make saving effortless.
- Set up automatic transfers: When your first side hustle transaction hits your checking, set up a transfer to your high-yield savings account or wherever else your emergency fund lives. If your second job delivers a regular check, you can even automate these transfers. Treat this like a bill, no exceptions.
- Direct deposit: Depending on your side hustle payment platform, you may be able to send a portion, or all your earnings, to your emergency fund via direct deposit.
Your emergency fund needs to be two things: liquid, meaning you can get to it easily, and safe, meaning in a secure account instead of a risky investment.
3. Invest and Boost Your Retirement Money
It can be tempting to spend the money from your side gig right away but challenge yourself to look beyond current desires. Think of a tomorrow, where — with the proper growth — those funds can bankroll your biggest dreams. Investing is how you make that happen.
You may have started your investing journey with an employer-sponsored 401(k) plan. Kudos! But there are even more investing opportunities to discover.
Investment Account Options
So, you’re ready to invest. How should you go about it? Your first step is to choose the investment vehicle that’s right for you. Some common options are a Roth IRA and brokerage account.
With a Roth IRA, you contribute money after taxes, meaning you’ve already paid your dues to Uncle Sam. As a result, your investments grow tax-free, and when you take the money out in retirement, those withdrawals are also tax-free (as long as you follow the rules). The Roth IRA is an excellent option for individuals who think they’ll end up in a higher tax bracket years down the line.
While a brokerage account doesn’t come with tax-free withdrawals, there are several benefits. You can invest in a wide range of assets with no contribution limits, and you don’t have to wait for retirement to withdraw your money.
If your side hustle takes off and becomes a stable, registered business, you might want to consider setting up a self-employed 401(k) or Simplified Employee Pension (SEP) IRA.
- If you decide to go with a self-employed or solo 401(k), you can contribute either as an employee or employer. The money you contribute is typically pre-tax, so it lowers your taxable income.
- With SEP IRAs, only the employer (that’s you), makes contributions. The contributions are tax deductible. This helps lower your business’ taxable income.
The Investing Advantage: Compounding
You don’t need a giant pile of cash to start. Let’s say you become a pet-sitter, and you consistently put $50 a month into an investment account. That money starts to earn returns. Then, those returns also earn returns.
The earlier you get started, the better. If you begin investing in your twenties or thirties, you give your money decades to compound — and that’s less work for you. But whatever your age, the best time to start investing is now.
Where To Invest
After you’ve figured out the type of investment account you want, it’s time to find the perfect investing platform. Several of them are designed with beginners in mind. You can start with:
- Robo-advisors: Think of these as your investment co-pilots. Services like Betterment and Wealthfront use artificial intelligence to build and manage a diverse portfolio just for you, based on your financial goals and how much risk you’re comfortable taking. Robo-advisors are ideal if you prefer a mostly hands-off approach.
- Online brokerage platforms: Trusted financial companies offer brokerage platforms where you can invest in low-cost assets like exchange-traded funds (ETFs) and mutual funds. Many people consider this a great way to diversify their portfolios. You can also buy fractional shares of your favorite stocks. Plus, lots of platforms offer free educational resources to help you learn the ropes at your own pace.
A sinking fund is simply a savings account earmarked for a planned expense.
4. Save for Big Life Goals
Have you always wanted to backpack through southeast Asia, buy your first home just outside of the city, or finally get that master’s degree? These dreams often demand a significant chunk of change, and trying to save for them with only your regular paycheck might feel close to impossible.
This is where that side hustle income comes in. That extra $500 or $1,500 a month can get you closer to freedom. Let your 9-to-5 cover the day-to-day bills while your side income handles the rest!
Use Sinking Funds to Plan Smart
To make saving for these goals effective, use sinking funds. A sinking fund is simply a savings account earmarked for a planned expense.
Follow these steps for seamless sinking fund set up and management:
- Name your goal: What’s the big life event you’re saving for? You might create a “Summer European adventure” fund as opposed to just a “vacation” fund. This approach adds clarity and excitement to the savings journey.
- Figure out the cost: How much money will you need? Do your research, price shop, and consider any additional expenses.
- Set a deadline: When do you need the funds? Lock the date into your physical and digital calendars.
- Calculate your monthly contribution: Divide the total estimated cost by the number of months remaining until your deadline. This is how much you should be saving each month.
- Automate it: Set up recurring automatic transfers directly to your sinking fund(s).
Consider improvements that might help your side hustle run smoother, let you grow your skills, and allow you to command higher rates.
5. Upgrade Your Skills or Side Hustle Gear
A side hustle can be fun, especially if it’s something you can’t get enough of. But it’s essential to treat it like a business. Think of ways to make it more profitable.
Certification, Tools, or Courses That Pay Off
Sometimes, the best way to boost your income isn’t just by working more hours, but by making smart investments in yourself and the tools you use. Consider improvements that might help your side hustle run smoother, let you grow your skills, and allow you to command higher rates.
For example:
- If you’re a freelance writer: Investing in an advanced SEO writing course or a subscription to a top industry publication could help a great deal.
- If you’re a photographer: Upgrading your camera lens, investing in professional editing software, or taking a lighting workshop could take your craft to the next level.
- If you’re a dog walker: Getting a professional pet first-aid certification or investing in durable, comfortable walking gear might give you an advantage over the next dog walker.
You might also consider a personal finance course to help you expertly manage the extra money coming in.
When to Reinvest in Yourself
When should you invest or reinvest in yourself? The answer is simple — when you start to see a strong return on investment.
Let’s say over three months, you’ve seen a decent increase in your side hustle gains. Maybe you took an online course to learn advanced digital marketing techniques. Now you’ve transformed your workflow, you’re producing higher quality work, and your clients keep coming back for more. If the boost in earnings directly correlates with whatever change or investment you made, it’s a strong indicator to keep going — to keep investing in yourself.
6. Start a Passion Project or Mini Business
It might start as a way to have surplus cash, but that side hustle can become the thing that gets you up every morning. In it, you may find joy and fulfillment, and even the hope of making it your main money-making venture someday. That’s the beauty of choosing a side hustle!
Launching Your Mini Business
One of the biggest hurdles to starting a business is often capital. But if you have your main job and side hustle income, then you’ve got a bigger pool of funds to experiment with. This unique advantage means you can:
- Test your idea: Launch a small-scale version of your concept to see if it works without acquiring a loan.
- Cover initial costs: Buy your first batch of inventory, create a simple website, or get essential software and tools.
- Learn and adapt: It’s okay if your first idea doesn’t pan out — at least, you haven’t blown through your living expenses. Tweak your strategy and boldly pursue new avenues.
It’s okay if your first idea doesn’t pan out — tweak your strategy and boldly pursue new avenues.
From Etsy Store to Digital Products: Low-Cost Launch Ideas and Side Gigs
Ready to embrace entrepreneurship? Hunting for side hustle income ideas for millennials? There are numerous ways to earn a passive income. Check out these side gig ideas:
- Etsy store: Get crafty. Create handmade blankets or resell vintage jewelry on Etsy.
- Print-on-demand: Design custom t-shirts, mugs, or phone cases. Then, use a print-on-demand service that handles the manufacturing and shipping.
- Digital products: Sell e-books, online courses, or digital art.
- Freelance writing and editing: If you have a way with words, offer your services to businesses and individuals who need blog and website content. Platforms like Upwork or Fiverr are a great for prospecting clients.
- Virtual assistant: Manage emails, schedule events, conduct research, and do data entry for clients remotely.
- Event planning: Consider offering your services for small, intimate events like birthday parties and baby showers.
- Online tutoring: Good at math or French? Teach learners online.
- Home improvement services: Help neighbors and close friends with home projects such as landscaping, decluttering, and interior design.
- Pet-sitting: If you’re a lover of furry friends, pet-sitting could be the perfect side job for you.
- Social media management: Is social media strategy your thing? Use your skills to snag some cash.
- Rent out your properties: Make money on that spare room, storage unit, or vacation home that you own.
7. Treat Yourself — But Do It Intentionally
An “all work and no play” approach to your side gig can quickly lead to burnout. Allow yourself to have an occasional treat. Grab dinner at your favorite restaurant, upgrade your phone, or schedule a spa date. You deserve it, plus indulging every now and then can be a great motivator to keep expanding that side job.
Planning is still key here. As that side income comes in, transfer a certain percentage to a “fun” or “self-care” sinking fund. Alternatively, you can grab that special something once you hit your profit target for your business.
As you strive to achieve balance, make use of easy-to-remember budgeting guidelines like the 50/30/20 rule.
Also remember that rest is a perfectly acceptable reward to give yourself after all your hard work.
As that side income comes in, transfer a certain percentage to a “fun” or “self-care” sinking fund.
How to Track and Manage Your Side Income
Earning extra money is exciting, but managing it effectively is the real win. Without proper tracking, your hard-earned cash can easily disappear. Stay organized with user-friendly budgeting apps. You can link such apps securely to your bank accounts — and just like that, you have a snapshot of your finances, with spending categories and more.
Or, maybe a simple spreadsheet does it for you. Create color-coded columns to track your income, expenses, and progress toward your savings goals.
FAQs About Side Hustle Income
New to the world of side hustles? Wondering how to use side hustle income wisely? Let’s answer common side hustle questions.
Keeping your side hustle money separate from your main checking account (which has your full-time job earnings) is a smart move. It’s not necessary, but it can help you to be disciplined by creating a mental boundary.
There’s no one-size-fits-all answer. Take a long, hard look at your finances, then decide the amount or percentage you want to send to your savings and aim to be consistent.
Understanding your tax obligations is one of the most important parts of managing side hustle income. The IRS generally requires you to report and pay taxes on any self-employment income of $400 or more in a tax year. So, as those checks come in, be sure to estimate taxes due. Then, look into deductions — you’ll need to do your research to determine which ones your business qualifies for. If you’re feeling a little frazzled, you can always enlist the help of a tax professional.
It’s simpler than you think. Create a clear budget, prioritize repayment of high-interest debt, and consistently save and invest. Now, watch your finances flourish.
The Takeaway
Whether you’re hoping to wipe out debt, build a solid emergency fund, or invest for the long term, earning extra cash allows you to take full control of your financial present and future.
Build Your Future
Reach your biggest goals with a smart savings account.