Prepare to protect gun and ammo manufacturers.

Figure out ways to legally transport guns for a time when the transporting of them by common carrier becomes illegal.

Learn about making good, safe guns at home. Set yourself up with the equipment to do so. Don't actually do it until necessary. But prepare ahead.

Set up citizen drones to watch ALL law enforcement, and coordinate efforts via the Internet.

Learn how to dial-up the Internet via regular phone numbers, with a regular land-line, for a time when the free Internet is compromised. You might have to pay the phone charge for dial-up, but it is better than losing the Internet.