I am not sure if your post is sarcastic or serious or funny. Audioquest brand is not ridiculously expensive unlike many "snake oil" brands . If I get a good deal from the store, they are fine. But I would not pay full retail for them.
I have seen some guys just buy an interconnect from the store after spending several hours doing speaker auditioning just so that they want to make the time worth while to the store. They just thought some $30-40 bucks was worth all the auditioning they got as they were sure that they were not going to buy any speaker from the store. They didn't buy those cables just because they thought it is going to make a difference.
No one needs anything more than what is sold at Monoprice