The practical skills nobody got around to teaching you – written start to finish, in the order you would actually do them, with nothing padded out to hit a word count.
No. Almost every how-to here is written around the cheapest tool that actually works, and we say plainly when spending more genuinely buys you something. Where gear matters, it is on the buy-once list.
Reading takes four to eight minutes. Doing takes an afternoon at most – several take under ten minutes. Anything longer gets broken into stages you can stop between.