Making some extra side hustle cash doesn't actually have to be that complicated. As someone who's been immersed in the field of online income generation for nearly two decades now, I can tell you that it takes some work. However, there are several clear paths forward. At the end of the day, it all boils down to what your goals are and just how much you're looking to automate your income.
If you've developed valuable skill sets or picked up certifications within your industry over the years, offering your consulting services to local business owners can be a lucrative way to make money online. Whether you're an expert marketer, business strategist, or manufacturing aficionado, there's likely a local business owner who's willing to pay you to help them solve an issue with their company. Start with my guide to launching a freelance (consulting) business and then use my breakdown of crafting an effective cold email to convince local small business owners to hire you.
A large subset of our society is earning a full-time income by selling items on Craigslist and eBay. You can do this by selling your own items, or you can help sell items for other people and take a small commission. Selling on eBay offers more friction than Craigslist and you'll need to establish solid reviews before you can begin to move high-ticket items.
Blogging is a great side hustle because you can do it at your own pace anywhere you want. It's not a quick and easy way to make money, but there are a lot of ways to make money side hustling while blogging. You can sell advertising, become an affiliate for other people's products, sell your own online product, and more. It does take time to build up an audience to be able to make a decent amount of money, but once you have a large following, you could earn over $15,000 per month or more (we do).
During my high school days, I was a pretty decent golfer (about a 2-3 handicap, for you other golfers out there). I was asked by my local club professional if I would help him teach his junior golf clinics that summer. If you have specialized skill in any sport, there are definitely opportunities out there for teaching others the fundamentals (and getting paid).
In 2017, there were almost 90 million pet dogs in the US. Which has opened up a huge opportunity to make money online as a dog watcher or sitter. Specialized sites like Rover or Care.com connect pet owners with pet walkers, sitters, and boarding houses to help look after their best friends when they’re at work or on a trip. If you’re an animal lover, you can make extra money and get to spend some quality time with a furry friend.
Now, I know what you’re thinking. Most of the software and apps you use on a regular basis are made by massive companies or established development studios. Well, yes. But many successful apps, particularly those in the Apple and Google stores, are created and marketed by individuals and small businesses. In fact, independent developers made $20 billion in the App Store in 2016 alone.

Writing an eBook, like you said, is not easy. First you have to have something to write about, which often means that you need to be some kind of respected expert in the field you wish to write about.However, if you can get past the initial trouble of selecting a topic, becoming an expert, and finally writing about that topic, that’s when the hard part really starts….
Amazon makes it fairly easy to list and sell old books, games and devices on its marketplace. You can make more than just a few bucks If you have pricey textbooks from college. Be sure the books are in good condition. You'll get negative reviews if you attempt to sell books that are falling apart or games that are scratched up. Remember, be upfront about any defects, no matter how small they might be and no matter how few people might readily notice it. 
If you wish you had a little more money in your pocket, you’re not alone. Fortunately, you have a variety of options when it comes to making money. Doing odd jobs is a quick and easy way to earn money. Similarly, reselling items or selling items you make can earn you extra cash. As another option, earn money online by writing a blog, freelancing, or doing online surveys.
If you have a vehicle that just sits in your garage for long stretches of time, you might find a car rental service like Turo is one of the easiest ways to make extra money. Let’s say you list your 2014 Nissan Maxima in Denver, Colorado. If you rent out your car for just 10 days a month, Turo says you could make around $365. That’s more than $4,300 a year!6
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