Get phone numbers. Calling another carrier will help you way more than calling the office.

The lock probably isn't broken, just learn how to finesse it.

If you are on a route and don't know where to go next, it's probably the place right in front of you.

Try to figure out how disorganized you can leave your parcels without it slowing you down; it doesn't help to have totally organized parcels when they all fall over the first time you take a turn.

If you are going to leave the parcel whether or not the customer answers the door, don't wait for them to answer it. Everyone's happier if you wait around and hand it to them except for management.

If you aren't going to leave the parcel if they don't answer the door, ring the bell and immediately start filling out the pink slip. That's how long the customer has to answer.

Don't look at the names on the mailboxes. You don't know if the regular is keeping the names updated, so you will get complaints if you try to forward mail.

Do clean out all the mail from outgoing/ the garbage area around mailboxes. The regular carriers will notice and will say good things if management asks. Get good at sorting forwardable mail/electronic service from UBBM.

Have a system for keeping mail you have organized, organized. I use a collapsible file folder. At the end of the day you do not want to have to sort out all your mail with your supervisor breathing down your neck.

Don't get in a car accident. This applies especially to Amazon days where you will be driving pretty much randomly and will be doing constant U-turns.

Join the union. Make friends with your union rep. Make friends with other CCAs.

Show up for work every single day you are scheduled. If you don't know what time you are scheduled, call at 6:30AM to find out. If you aren't scheduled and they call you, answer.

Drink coffee. Eat while you drive. Sleep less. If you make a mistake, talk to another carrier or your union rep. Remember that you are in an adversarial position with management.