The comments that matter are the WHY comments. No amount of variable naming will solve that. When I read your code three years from now, I can still figure out

The comments that matter are the WHY comments. No amount of variable naming will solve that. When I read your code three years from now, I can still figure out what it does. WHY you're doing the things you do is a different question. And few people leave them. Add them, and you're standing already heads and shoulders above your peers.