I get to know from my friends that, the best way to earn well through PTC site, is by getting as much direct referral for each PTC site that you had joined. Here's a few PTC sites which still paying me, which you can join and earn.
Payout at $2
Now payout at $1
Payout at $5
Payout at $0.10
Payout at $1 [ If withdraw by paypal ]
I hope everyone will be able to earn some extra bucks through them.