Fiverr is a marketplace where buyers and sellers come together.

Here is how to make money wit them,

1) As a Seller: løok for that which you can offer/sell and which people will equally respond. Make your offer unique, Cos that will be your unique selling point.

2)As a Buyer: As a buyer, you can make money buying some great offers by people, E.G Assuming u have a website monetize with adsense, Then head over to fiverr look for a gig or the one similar to "i promote your website to my thousands of suscribers" you can search 4 similar ones and always target the gig with U.S.A traffic. You know what a u.s.a click can do to your adsense,

Thanks and Enjoy,
Enairashop