February 3, 2011 7:48am CST
Hello..I need your advice on which of the following PTC sites that are profitable to invest. I am happy with my earnings at onbux for now and want to invest with other PTC sites. 1. Incrasebux 2. Neobux 3. Givebux 4. Vcbux 5. Vynbux Do I need to upgrade first my membership before purchasing rented referrals or vice versa? Thank you.