Here's What to Consider Before Starting a Side Hustle

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Side hustles have become an increasingly popular way to boost income.

But are they necessary to reach financial freedom?

"The answer is no," said Gorick Ng, author of "The Unspoken Rules," adding that there are plenty of people who don't have side hustles and have achieved success.

Still, Ng is in support of those pursuing a second gig. While they are not necessary for financial success, they are often desirable, he said.

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"There is more to life than just a single W-2," he said, adding that he sees people using side hustles to fulfill many goals from financial freedom to learning new skills or having a creative outlet.

Setting expectations

Before deciding to pursue a side gig, people should establish their goal, whether that is to earn more money, explore a creative outlet or build skills that they aren't using in their full-time job, Ng recommends.

If your goal is to make more money, a side hustle might not always make the most sense, said Paula Pant, host of the podcast "Afford Anything" during CNBC's Own Your Money (…Before it Owns You) event on Thursday.  

If your main job is in a high-paying profession, it may be a better use of your time to go for a promotion or consult within your area of expertise instead of launching a side gig that's entirely different.

"Choose whatever is the most time-efficient and energy- and spirit-efficient way of earning more," she said.

Where you are in life should also factor into your decision to start a side hustle, according to Anh Tran, a certified financial planner and managing partner at SageMint Wealth in Orange, California. For example, if you're a college student, you may have more time to devote to a potential side gig than if you're trying to start a family.

It's important to consider the amount of time and effort launching a business will take versus the potential payoff, Tran said.

"What are you going to have to put into it to get a return and does that make sense for you from a financial standpoint?" said Tran.

When to go for it

On the other hand, if you're in an industry or occupation where there isn't a whole lot of financial upside, a side hustle could be an efficient route to earning more.

"At the end of the day, ultimately what matters is the size of the gap between how much you earn and how much you spend," said Pant. One way of increasing that is to bring in extra income, especially if you don't want to cut sending.

A side hustle may also make sense if you're unhappy in your job and think the gig could become a full-time business.

"There's the common mantra of you can potentially be rich working for someone else, but you may not necessarily be wealthy working for someone else," said Ng.

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