I wish I would've found this sooner
You and me both! Have written seven posts on this subject since discovering it one month ago and am currently in the process of digging in magnetised cables on my land running north/south.
I watched the video you linked and while it was good what I would say is that there are a whole bunch more techniques you could be using. Also, you don't need to buy copper tools, rather you can just add some copper to your iron tools. This is called a harmoniser.
I am in contact now with the leading expert in electroculture and will be producing some films in the summer with him. Keep following my channel for updates. There is much to learn!