Hobbies That Can Pay Off -- Savings Experiment

These days, everyone is a photographer. Digital cameras and smartphones are very high quality, and people are taking more pictures than ever. So why not make extra money from the pictures you're already taking?

First, sign up for Foap. It's an online marketplace where companies like Sony and Puma look for images they can use for marketing campaigns.

On this site, it's possible to sell your photos for $10 each, with a fifty-fifty split between you and Foap, so you make $5 on every sale. This might not sound like much, but some users have reported making as much as $4,000 a year with their photos.

And best of all, if someone buys your photo, they don't get exclusive rights. That means you can sell the same image over and over again.

Also check out Twenty20, where users can buy and sell Instagram photos as stock images or to make art pieces, such as wall canvases, smartphone cases and greeting cards.

Twenty20 has the third-largest stock-image catalog in the world. It's even bigger than popular sites like Shutterstock and iStockphoto. And like the name implies, you'll earn 20 percent from sales of any of your pictures, whether they're purchased as stock images or as physical products.

Both of these apps are simple to use, and free to sign up, so why not earn a few bucks with your photos? You can make that hobby rewarding in more ways than one.

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