Ever heard of treasuretrooper?
If you live in US/Canada, this isnt worth missing. Although anyone can join, many offers are targeted to US/Canada residents.They give you a huge list of mostly free signups and you get 1$-100$ commisions, depending on the signups.
They have about 500 FREE OFFERS at their site .. Just join and get commissions
The minimum payout is 20$ and you can make it in no time.