No you do not need to invest anything to get paid, all you got to do is reach min payout for the payment you want. LTC = 2 USD BTC = 10 USD Paypal, Payeer = 5 USD

We got 4 offerwalls and a lot of PTC ads and working on adding a lot more to the website in form of games, offerwalls and more options for future advertisers to advertise.