Originally Posted by PurpleSquirrel

Change your PIN on your accounts from whatever it was when you were with the alkie. Write, "Ask for I.D." on the back of cards even if you sign them.

Get a gift card to a place like Jewel-Osco that sells both gas and food and keep it safe. That way, if for some reason you are cut off from your funds you can get something to eat and fuel if you need to.

Keep a change of seasonally appropriate clothes in the car.