It's already been said. The most dangerous things in the zombie apocalypse are the people. Anybody watching Walking Dead or Z Nation
. If people could work together, the zombies wouldn't stand a chance.
But, fwiw, I wouldn't want any windows in my zombie pad. There'd have to be a moat, a wall, and a tunnel. No one could survive a zombie siege --cause zombies don't get tired and have nowhere to go
Actually, I think that it would only make sense to go on the attack and killing off all the zombies. Then worry about the people who are left.
"A man is rich when he has time and freewill. How he chooses to invest both will determine the return on his investment."