I am a newbie. I signed up some links and I finished offer but I did not get any credit for a long time even if I contact with them but no answer. I am unsure I should give up this link. Some links I finished offer and then they gave me credit but one month later my credit was revoked and I did not know why? For my experience some links are very bad and can you tell me how I choose good links for finish them?
Thanks for your help.