A good PTR program -
*I know the owner is honest;
*Online at least 3 month or the owner has other sites paying their member for at least 3 month;
*Send enough mails to their active members,active members can earn at least $3 per month without downline;
*Payment send in one week after request;
*No virus.

A good SE program -
*I know the owner is honest;
*Online at least 3 month or the owner has other sites paying their member for at least 3 month;
*Average bid at least 2 cent.