Home RenoVision DIY has a great no-nonsense approach to getting home projects done.
Essential Craftsman has a bunch of videos on construction tips and tricks, as well as blacksmithing and spec house building.
Another channel that is less informative but inexplicably captivating is Andrew Camarata’s videos. He does tons of different stuff, from building structures out of cargo containers, to excavating ponds and fixing equipment.
As for plumbing questions, I do have 19 years in the trade, if you need anything 
