you'll start to get picky about the locks you buy, that's for sure.
also, the top few comments are usually gems.
also, also: after you've watch mayube 20 of them and gotten used to his cadence and mannerisms, search out the 4 April fools videos. don't go right to them, or it's not as hilarious.
https://www.youtube.com/c/lockpickinglawyer/videos