Software drives businesses today. This is a fact not lost on individuals and companies attempting to earn a profit, make a name for themselves, or simply get things done. As a result, the job outlook for software developers will be much sunnier than prospects for many other occupations—creating massive opportunities for this business idea well into  the future. In fact, it won’t take you long to find a good-paying software development project as a side business idea on sites like Upwork, Guru.com, and Freelancer. LinkedIn also recently launched their brand new freelancing platform, ProFinder which has a dedicated section just for hiring talented software developers.

If you enjoy graphic design and love creating unique pieces of art, then this side business idea could be perfect for you. You will need to work with a range of color palettes and use different fonts to your advantage. Look into providing your services for weddings, business events, parties, and really anything that needs professional, eye-catching invitations.

When it comes to our mother tongue, most of us don’t give language a second thought. However, without language, almost all aspects of life as we know it would break down. Teaching foreign languages gives others access to a completely fresh perspective on human life, as seen through the lens of a new language. With today’s growing rate of globalization, starting a foreign language instruction business can offer you an exciting and profitable career.

This business is ideal for current and former teachers, which is why many teachers begin their home tutoring business as a part-time job. You must be a people person, as most of the business regards direct, one-on-one interaction with others. It helps to be good with children of all ages, as they comprise the vast majority of your customers. Finally, it helps to be organized and self-motivated: conducting home tutoring as a full-scale business means managing many contacts, reaching out to local schools, and making sure you have enough time during each session for your various clients.
As long as there is still the written word, there will always be editors. Freelance editing and proofreading not only pays a decent hourly wage, it also gives you the chance to read about potentially interesting topics too. What's more, pursuing freelance writing & editing as a business idea can afford you a lifestyle that lets you travel the world as a digital nomad. You can find lots of job postings from companies and individuals in need of writing, proofreading, and editing services on Upwork, which makes this a high-demand side business idea.
That's why I'm a huge advocate of always starting a side business while working full-time, so that you can test your way into your new product or service, get feedback, validate the business idea, and start generating income before you quit your job. If you can master the art of scaling a side business idea while keeping your day job, you'll have no trouble succeeding once you're fully self-employed.
Someone out there is remodeling their kitchen and needs to know which shade of granite will match best with mahogany flooring. That someone will often be happy to pay you for your advice, especially if you’re the kind of person that subscribes to websites like Contemporist and you have the motivation to turn this business idea into a money-making enterprise.
The most popular side hustles for millennials are "home repair/landscaping" (12 percent), according to Bankrate. A total of 9 percent of millennial respondents make additional money babysitting and 8 percent selling or reselling goods online, including via sites like Ebay, according to the survey. Other millennial side gigs include substitute teaching or tutoring; doing hair or makeup; earning money by finishing online surveys or completing tasks for people online; or doing freelance photography and videography (4 percent each).

Live bands are paid to perform music professionally before audiences in bars, nightclubs, concerts, private parties, corporate events, and other public venues. Peripheral revenue can be generated through the sale of recordings and merchandise. In addition to the group’s musicians, ownership in the business can include its manager and anyone else with a financial stake.
It’s not on this list but Brand Ambassador/Promo work is another very flexible, fun, and lucrative side hustle! Basically you promote your favorite brands at awesome events (e.g. handing out Red Bull or demoing new products at high foot traffic areas). I created an entire resource website on how to succeed in this industry called “Brand Ambassador World”. It has everything from resume designs, to super helpful tips and tricks, to where to find promo gigs, to a comprehensive list of agencies, etc.
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