Now, why would we need paints? While we don't NEED paints, you can write messages in walls warning other survivors of dangers inside a building/area
Step 2: Weapons
the most important of this whole list, weapons are a necessity. Now, If you have a gun, grab it. But most don't. So, grab some baseball bats, and raid the toolbox.
Step 3: Transportation.
If your car is out of gas, (and believe us, once civilization collapses, it will be hard to get gas) then grab a bike! Small but efficient, these are good for riding through an abandoned neighborhood (though not so much for escaping a horde of zombies)