Believe it or now, there is a difference between “Wilderness Survival” and “Urban Survival”. Therefore, the tools needed for survival in the urban environs will be different from the wilderness tools.
Urban Survival & Wilderness Survival are two very different things.
Survival Gear is another area where people get caught up in the wilderness survival mentality. If you’re heading out into the wilderness, then by all means stock up on gear for that environment. But if you’re planning to face most modern day threats, you need to really consider what those threats are and where you will be when they happen.