The internet is an invaluable source of knowledge and misinformation at the same time. That is why it helps to be able to hear things with your own ears rather than just reading about them. Youtube is the go to for this. From amp and pedal reviews to drum miking techniques, lock yourself in your bedroom and lose yourself for hours following this bunny trail.
Steve Albini drum miking. This video lets you hear what each mic is supposed to sound like.
Good drum miking tutorial. Shows how to work with limited inputs. The polar pattern of the mic matters more than the brand and model number.
2 mic guitar recording technique that combines them into one track. This guy has a lot of good videos.
Another 2 mic Friedman technique for recording guitars from same guy. Here's where to buy the dual mic clip used in the video
HM2 guitar pedal clone shootout
Comparison of 15 Marshall Plexi’s. This dude is nuts about Marshall
Same dude comparing 11 popular 80’s metal guitar speakers.
Nails recording at God City. All 5 videos are worth watching.
Trap Them recording drums at God City. Chris Maggio is one sick drummer.
Brann Drailor of Mastodon recording drums for Blood Mountain. Another great drummer. Notice how he has no headphones.