Project Fail? - Hiding my T.V. cables using Legrand in-wall cord & cable kit

I had this kit and thought I’d finally give it a try in order to hide the tv cables from my wall mounted TV. This project nearly turned into a huge mess! I did get my cables hidden though - check it out.
Here is the kit:
amzn.to/3mXvpBJ

[@robertmays4748]

A simple stud finder would have helped in the wire path...

[@travondaward]

Off topic, but where did you find your mantel or did you make it?

[@devitodoes3269]

Found this one on Craigslist!