While the price of used romance novels and biographies isn’t high, the resell value of college textbooks can be significant. If you have some textbooks at home, you may be sitting on a gold mine of educational tomes. Simply enter the ISBN number (it’s inside the book on the copyright page) on the website cash4books.net. The site will list the value it's willing to pay for the book. Once you compile the books you want to sell, the site generates a free shipping label, and in a few days, you’ll get a check or PayPal payment for the value of your old textbooks.

If you aren’t sentimental about holding on to your wedding dress, you can use it to make someone’s wedding day extra special and make yourself money, too. The online bridal consignment site preownedweddingdresses.com lists lightly worn wedding gowns available for sale at a fraction of the original price. You can buy or sell wedding gowns, bridesmaid dresses and accessories. With thousands of brides shopping on the site, you have a high chance of selling your gown to someone through this giant digital marketplace.

Yes, even tools designed to keep your home clean need to be, well, cleaned. Take a few cotton balls and isopropyl alcohol and disinfect the bottom of your vacuum cleaner. Over time, your vac can accumulate dirt, germs and bacteria, and a simple cleaning can fix this. If you have a housekeeper, ask them to use your own vacuum at home instead of one they may bring. Their vacuum is used in a variety of different homes and can drag in things like pet dander and other allergens.