If I come to inspect your work, you need a reason for everything you've done. Understand it.

If you can, have 2 or 3 solid reasons why you think something is the way it is.

@PrincessOfCats this is actually one of my biggest pet peeves when people debug in an unstructured manber. "Perhaps it is XYZ" - "Can you walk me through a chain of arguments that would lead from XYZ to what we are seeing?" - "Uhhhh..."
@HalvarFlake @PrincessOfCats Getting students out of that habit is probably the most valuable takeaway from early-stage RE/auditing training IMO. When teaching I use a rubric system based on one I came across for solving math puzzles in my teens, which emphasises explicitly documenting a chain of observations, deductions, validated conclusions and uncertainties. It's still the best way I've come across to teach critical evaluation of one's own deductive process.
@PrincessOfCats @HalvarFlake Probably the most useful RE book I've ever read https://www.amazon.co.uk/gp/product/0201102382/ ;)
@seanhn @HalvarFlake @PrincessOfCats I always preferred Polya's "How to Solve It" :P Superb book.