23. Affiliates – There are many affiliate networks, such as FlexOffers and CJ Affiliate that allow you to promote other people’s products and services. You simply put a link or a banner on your page and then you get a percentage if someone clicks through and buys the product/service. You’ll want to select products that are specifically within your blog’s category.This is an effective way to earn money once you have the traffic coming to your blog.
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….
Creator of Millennial Money and Author of Financial Freedom (Penguin Random House). Dubbed "The Millennial Millionaire" by CNBC, Grant went from $2.26 to over $1 million in 5 years, reaching financial independence at age 30. Grant has been featured in The New York Times, Wall Street Journal, BBC, NPR, Money Magazine and many others. He uses Personal Capital to manage his money in 10 minutes a month.
Donating plasma can actually work out better than selling your blood.  It takes longer to donate plasma because they will put your red blood cells back in your system. The upside is that you can donate plasma as much as twice a week and you can make anywhere from $40-$60 per donation. You can make that $100 in less than a week if you can stomach the needle.
If you have a nice camera and a good eye, snapping a few photos might be just the thing you need to figure out how to make extra money. You can go as all in with this as you want. Maybe you only shoot family sessions and birthday cake smashes on the weekends. Or maybe you decide to start a business as a wedding photographer! The choice really is up to you. 
John Mackey, CEO of Whole Foods Market, an Amazon subsidiary, is a member of The Motley Fool’s board of directors. Selena Maranjian owns shares of Amazon. The Motley Fool owns shares of and recommends Amazon, Etsy, and Twitter. The Motley Fool recommends eBay and Uber Technologies and recommends the following options: long January 2021 $18 calls on eBay and short January 2020 $39 calls on eBay. The Motley Fool has a disclosure policy.
Could you make an extra $200 per month? Sure. How about an extra $1000 per month? How would that change your life? To most, it would make a monumental difference. But what if  we were talking thousands more per month or even tens of thousands more? How would that alter the trajectory of your life? Clearly, you can make money on the internet. You just have to decide how much of your time it's worth.
If you have an attic, garage, basement, and/or closets full of stuff you're not using and don't need, you may be able to reap a lot of cash by selling them. You can hold a yard sale, of course, but there are many more options online, such as Craigslist.com, eBay, or Amazon.com. Thinning out your belongings can also help position you to downsize into a smaller and less costly home, if that makes sense for you.

If you’re trying to figure out how to make extra money (and really, who isn’t?), it can be hard to know what’s a legit way to score some extra cash and what’s just a total waste of your time. We’ve done the searching for you and found 30 ways to make extra money—everything from wrapping your car with a banner advertisement to renting out the baby equipment collecting dust in your attic.
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