. >> reporter: jonathan turner is on the hunt for used books not to read but to resell. >> i have an iphone and i'm able to scan the ibm number on it and actually pull up and it tells me right there how much is that book worth. >> reporter: there are lots of websites that will buy used books. jonathan uses book scouter. he knows on the spot if he'll make a profit buying a book at the yard sale price. that is just one of many whacky ways to make money these days. kyle taylor with penny order.com suggests starting with your frig. the nielson company is one that keeps track of tv ratings now wangts to know what -- wants to know what you buy at the grocery store. >> they'll give you a scanner and they'll ask that you buy groceries you buy and then it transmits the data to them and companies use that feedback to tell them what brands are popular. >> reporter: you can also rate music for money. >> sites like hit predictor.com and slice the pie.com will let you listen to music, rate it and then send you a small check for your efforts. >> reporter: and if you're the creative type, you can be

. >> like a lot of us, jonathan turner is always looking for ways to make some extra cash these days. that includes checking out garage sales for used books, not to read but to resell. >> i got an app on my eye phone and i'm able to scan the ibm number on it and actually, like, pull up and it tells me right there, you know, how much is that book worth. >> reporter: he uses the smart phone app book scouter. he can find out if he will make a profit buying a book at a yard sale price. that's one of the ways people are generation creative to make some extra money these days. kyle taylor from penny horder, starting with your fridge, one company is willing to pay to find out what you're storing in there. >> they'll send you a free bar code scanner and every time you go grocery shopping you scan the groceries you buy and then it transmits the data to them and companies use that sort of feedback to tell them what brands are popular. >> reporter: whales? feel like texting people? you can always answer questions for cha cha.com. make a few bucks right from your couch. >> they get questions, ran

. >> reporter: like a lot of us, jonathan turn are is always looking -- turner is always looking for ways to make extra cash. that includes checking out garage sales for used books to sell. >> it tells me how much is that book worth. >> reporter: he uses the smartphone app book scouter. it lets him find out if he will make a profit. that's one of the many ways people are getting creative to make some extra money these days. another way, starting with your fridge. one company is willing to pay what you're storing. >> they will send you a free bar code cash. they ask that you scan it and it transmits the data to them and companies use the feedback to tell them what brands are popular. >> reporter: if you like texting people, make a new bucks from your couch. >> they get a range of questions on their website and via text and need people to come up with answers through a google search. you get paid per text. >> reporter: you can also rate to come up withd anywhere from company names. that's jonathan. he gets extra cash for cars. >> to go out and test drive a vehicle, have fun in it and t