Opt out of junk mail
Junk mail wastes valuable seconds, eats your attention, and destroys our planet.
Your mailbox should be filling up with packages purchased through affiliate links on this site — not pre-approved credit cards.
As unlikely as it seems, you may have a choice. You can opt out of receiving unwanted mail.
Here's the official opt-out link for the UK and here's the one for the USA.
For everywhere else searching for <country name> junk mail opt out will get you the right result.
Bonus points
Put a sign on your mailbox or front door saying no junk mail.