I earn between $15-$25/month by searching on Swagbucks instead of Google. This helps me with all of my Amazon shopping! I always cash in for $5 Amazon Gift Cards because, in my opinion they are the best value. To get started, sign up here:
Then to make it easier, add the Swagbucks Tool Bar. Next use Swagbucks instead of google to do your searching. Friday's is Mega Swagbucks Fridays and searches earn bigger bucks than other days of the week.