Dont have much time to read everything, sorry.

But, i can see that frog has a stronger evidence.

But, frog, please understand that it is not considered FFK if somebody tell you that he cant COD by telling u reasons.
If he didnt inform you that he cant turn out and you waited there for the whole day, then only it is considered FFK.

I believe that there are some misunderstandings.
Tashfinsheikh brother is an honest buyer. I dealed with him previously.