Be honest with yourself and embrace your habits. It doesn't matter if it makes sense to the world if it works for you.
Opening mail for example. You bought great storage for your office but then you open the mail in your kitchen. What you get is piles on your kitchen counters and waste of money in your office. Yes, the plan looked great " I'll buy this beautiful storage for my mail and then I'll just put it in to my office and va-la! no papers laying on my counters". Solution: bring the mail storage solution to your kitchen. Make it work for you.
Hanging pockets inside of my kitchen cabinet is something that works for me. It's a temporary storage, from there I file all the paperwork once a week. It takes very little effort, it's cost effective and it works!