Let's face it, if anyone wants to go battling Zack themselves then we can write them off as dead or worse. You're only going to attract the hordes and there's no way you could fight them off indefinitely. Even small villages have thousands of people living in them, and if they were all zombified then that is a writhing mass that you could not hope to defeat. Even if you have guns, your ammo will not last through all of them, and with close ranged weapons you will become exhausted, and being so close to them at this point they will get you.
And you can't drive through them either, just because they're dead, that doesn't make them any less solid. After only a few impacts your car will look and function worse than an inflatable dartboard. Though I've seen the tanks seen fit for road use in the States, I can't imagine you'd get far on their mileage, and without power it'll be hard to refuel them.
The number one priority is staying alive, not re-enacting a zombie game, which aren't exactly "realistic" envisions of zombie outbreaks. Who knows what real zombies would be like? They may only be shuffling if they've actually suffered damage, "healthy" zed-heads might be quick, and the presence of sprinters changes everything.
You've got to think defensively. That means moving away from the ravenous hordes. You might be able to grab a few things from stores and homes before you leave, and if you can, do so. I myself have designed a tooth-proof suit of armour made from easily available materials, mainly a leather biking suit and sporting protection, but getting the supplies may be more trouble than it's worth, and hinder mobility. Weapons are for anything you encounter as you escape, and hunting game, not taking on the legions in a one-man assault. Find a small group to travel in, more eyes and assistance will facilitate survival, but a large group will draw unwanted attention, and infection could sweep through it quickly. So if you have protection, nutrition and some semblance of sanity and morale, what you need is a destination.
If you are lucky enough to own a home that would protect you with fortifications, then use it. But most of use are not so fortunate, and it is a known fact that 90% of all zombifications occur in the home. In Europe there are castles and world war relics that would be life-savers. But the States and Canada lack such fortresses, they are young countries whose government has prevented much of the anarchy that led to castles. You do have malls, but whether they will turn out to be impenetrable bases or nightmarish deathtraps remains to be seen. Indeed, with Dawn of the Dead your decision to seek refuge there will not be a unique one, and in such dire times the living are more dangerous than the dead. You'll probably find the mall already overrun by Zack when you get there. Heading north may be a good bet, where hopefully the cold will freeze the zombies. Then again, heading down south, Aztec, Inca and Maya temples sound like ideal locations to hold off the hordes and seek shelter.
Heading out to sea might work well if you have the supplies and means to do so. If you can stay on board your boat indefinitely then you'll do well, but it's not a long term solution. Uninhabited islands will keep you alive for a long time if you know how to survive, and coconuts on their own provide everything you need to survive, so long as you don't run out. Oil rigs are a good place, too. Hopefully the undead won't choose to "take a walk", so to speak...
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