But did you know you could also save and, most importantly, make money recycling? Yup, your plastic bottles, cardboard boxes, old phones, and many others were once-awesome things could be turned to cash that you can spend, save or invest. In fact, not doing it would be literally throwing away an opportunity to make money. Plus, it comes with a boost of happiness and satisfaction since you prevent things from ending up in landfills, break the waste cycle, and promote a sustainable and eco-friendly lifestyle. Used textbooks, dictionaries — and other stuff that used to be read — but are now collecting dust in your bookshelf? Sites like BookScouter are great for quickly selling textbooks you no longer need. Earn Cash with BookScouter! DeCluttr is another useful site for book-selling. They buy used textbooks, tech, games, and other stuff. You will then pack the items up in a box — and ship them off using a free shipping label DeCluttr will have sent to you. No one likes seeing empty bottles...