Quote Originally Posted by alec11
How much I need to pay if I want to upgrade my membership?
Is it really worth to invest on ptp site?

Here you go alec check this link :
http://www.webtradehut.com/showthread.php?t=1447

As lemon told you can use credit for purchase membership plan or you need to pay money via LR or PP..... and one month membership plan in also available for $5 .......