...Since a doubler or hyip site promoter in this forum are not trusted so I think sellers also should not be trusted.
I made a note of him that he contributes to scams. Why didn't you do it yourself?
Done, Just I have leave a feedback to the user. Thank You.
You are DT for your own. I mean when you give feedback to anyone, you yourself will see the feedback, that's the first use of the feedback system. Feedback system is basically here for doing trade, so, if you tag someone, your can be alerted when you want to deal with someone. no matter you are dt or not but without sending appropriate feedback, you can never become DT. People will only include you once you send correct feedback.
If you did not read yet, please read LoyceV guideline for trust system-
https://bitcointalk.org/index.php?topic=5191802.0Thank for this good explanation. Also thanks for sharing the thread link which is created by Loycev. Previously I did not read it. Just read and learn important things about how to trust the system works. I knew something about it but not all.