These guys just keep killing it!
From parts and tools to skills and know-how; toss in a bit of right-to-repair advocacy and you have iFixit. I'm satisfied and find their products well worth the money (provided that you can read and follow instructions).
If you're having a problem, I would recommend READING AND UNDERSTANDING THE INSTRUCTIONS. We both know they were there so just stop being difficult and read them. If you really have READ THE INSTRUCTIONS, then they will gladly help you out. Even if you haven't READ THE INSTRUCTIONS, they might make fun of you, but they will still help you out. Also, don't forget to RTFM.
Support these guys and your supporting a lot more than just a bunch of geeks. Farmers, moms and nerds all benefit from the work these folks are involved in. So, go find something to buy from them right now!