Bear traps and really deep pitfall traps. Don`t worry about having to cover the pitfalls, zombies are so stupid they`ll fall in anyway.

The best overall weapon (in my opinion of course) is a good rifle, semi-auto if you can manage but lever and bolt action would be fine too. In the event of a class 3-4 there will be millions to billions of zombies. Ammo conservation and efficiency should be your number 3 concern following staying alive and the loyalty of whatever group you are in to the leader or system of government you have set up. ...

I know you're on a budget. Pabst Blue Ribbon isn't cheap. But I've put together a list of zombie-killin' weapons that you could be killin' zombies (or one particular zombie) with right now. Zombie-slaying devices you own right now. Things to kill zombies with that you might be sitting right next to.

http://www.zombiephiles.com/undead-survivalist/ten-zombie-weapons-found-at-home/

Anyone else out there constantly looking around and wondering what you'd use for a makeshift weapon if zombies came crashing through the door that very instant?

I do that. Does that make me crazy?

Seriously, though - your house is full of things you can use to kill zombies in a pinch. I'm a big fan of the rolling pin in the kitchen - an underused implement these days, but highly effective as a bludgeoning ...

I don't know who it was that decided that chainsaws were a good weapon against the undead - I can't think of a worse weapon for killing zombies than a chainsaw.

Think about it! Chainsaws are very dangerous - they often turn on their users, causing injury or death (followed, most likely, by undeath in this particular situation).

Add into that the fact that zombie blood may spread the zombie contagion, and that airborne particles ...