When looking for 'price checks' don't take a single site as gospel. Go on a diverse range of servers and see what prices your items may go for. Find...
1. Can't really see a question here but yes common courtesy, respect and sense are important when trading. It is important in whatever engagements...
I don't believe that. If you knew that the link was incorrect why didn't you attempt to 1) correct it? or 2) admit that you didn't have a sourceop...
Submit a steam support ticket. This is not the forum nor the site to do so.
If it was obviously the wrong link why did you not address the issue instead of deflecting? Why don't you just be honest in what you were attempting...
Separate names with a comma.