Depending on where you live, nature provides numerous opportunities for teens to make money. They can mow lawns during the summer, rake and bag leaves during the fall, water plants and lawns when homeowners are on vacation, wash cars, do weeding and shovel snow. Enterprising youth can earn money by working on occasional big projects, such as indoor or outdoor painting, cleaning out garages, clearing brush or helping people move. Older teens may help hang holiday lights and decorations.