Make Money Completing Offers With Proof of Payment

Here's the sites that offer chance of making money by completing offer, survey and similar (Just click on the link if you wish to join)

1 - Cashcrate : Proof

2 - Treasure Trooper : Proof

3 - LinkGrand : Proof

4 - CashNinjas : proof


Please post on the comment if you have different opinion on this (like not receiving payment, this and that and whatever)