7 High-Paying Side Hustles for Millennials To Start Now

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Are you a millennial looking to earn some extra money in 2025? You’re not alone.

According to a December 2024 Intuit consumer survey, 66% of millennials and Gen Zers either already have a side hustle or plan to start one this year. This desire to supplement their income comes amid rising prices on consumer goods and stagnant salaries in many industries.

You might not know where to start if you’ve never had a side hustle. Lucky for you, it’s simple to start a side hustle and make good money. You just need to think about what you’re passionate about and what skills you can share with others.

To help you get started on the right track, we’ve compiled the following high-paying side hustles that would be excellent options for any millennial.

Deliver Groceries

Do you love to shop? Instead of spending money on yourself, you could spend money for other people by doing their grocery shopping. This is all done through platforms like Instacart.

You can sign up to become an Instacart shopper and get paid to fulfill grocery orders at stores near you. Becoming an Instacart shopper allows you to set your own hours, giving you the flexibility to work outside your regular full-time job when you don’t have other things going on in your life.

Become a Freelancer

Are you experienced in graphic design, writing, digital marketing or any other specialty? If so, businesses are always looking for freelancers to help with short and long-term projects. 

Marketplaces like Fiverr or Upwork are great places to look for freelance work. You can set your rates and choose the clients you want to work with.

Rent Out Space

If you own your home, you might have extra space that you’re not using. Maybe it’s space in your basement or part of the garage. Platforms like Neighbor.com allow you to rent your unused space and get paid. Think of this as Airbnb for storage. Depending on the space and what others are charging in your area, you could make several hundred dollars a month.

Rent Your Car

Do you have a car that you seldom use? You could rent it through a platform like Turo and get paid to let others use it instead. The type of car you have and your location can impact the rates you can charge, but there are Turo hosts who are making thousands of dollars each month.

Become a Handyman

Do you like doing odd projects around the house? If so, you could get paid by helping other people with random tasks they can’t complete on their own. This could be things like hanging a TV or picture on the wall, installing a ceiling fan or any other small tasks around the house.

Using platforms like TaskRabbit or NextDoor, you can find jobs in your area. This allows you to set your rates and take on the jobs that interest you.

Pet Sitting and Dog Walking

If you’re an animal lover then you could get paid to spend time with other peoples pets. Instead of taking their dogs to a dog boarding business, many owners would prefer they spend time in someone else’s home. This is where you come into the picture. 

Signing up with a marketplace like Rover will give you the chance to become a dog walker or become an overnight dog sitter in either your own home or the in the dogs home. Similar to other opportunities on this list, you can choose when you watch dogs and how much you want to charge.

Become a Reseller

If you enjoy thrifting or going to garage sales in the summertime, there’s an opportunity to make money. Oftentimes, there are items available that are being sold for well under their actual value. Purchase them at a discount and then sell them on Amazon at a profit. 

There can be a learning curve to get started, but websites like Jungle Scout have resources and tools available to help you become a profitable Amazon seller. 

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