>> that's great. >> reporter: or instead of the car, you could just rent out the place where you park it. kevin does that with his driveway, not far from chicago bears stadium. he rents it out to football fans, using parkatmyhouse.com. he made $400 last season. you can even make money renting out your backyard to campers. through rental site airbnb. s'mores not included. even if you're not making s'mores, you can make a lot of money. the saecops family can make $3,000 a year. by the time their son graduates from college, they can sock away about $50,000. keep in mind, however, not every city treats this the same so check the rules first. rebecca jarvis, abc news, new york. >> some interesting ideas. some a little whackier than others, but some make sense. the parking spot, i love that. >> you can rent out just about anything. a backyashgsd a barbecue.