12 Ways Retirees Can Make Money Through Passive Income

6. Sell your photos

Smartphones have made photography possible for just about anyone. The next time you see a killer sunset or an adorable kid-and-dog combo, don’t keep the image to yourself. Companies like Twenty20 and Foap want to sell it for you.

Of course, it doesn’t hurt to have a good camera, a tripod and other equipment. Stock photo companies like Shutterstock and iStockPhoto host a dizzying array of picture subjects. Potential photo purchasers “are looking to say something specific with their photo and to convey their message,” says 1099Mom, a blog offering work-at-home moms income tips.