Mark Hughes's answer to Given our current technology and with the proper training, would it be possible for someone to become Batman? - Quora

Anyway, there you are, rooftop to rooftop, and it occurs to you that the cop cars are so far gone now that you barely hear the sirens. So you think "Hmm, no wonder the real Batman has a car, this rooftop thing looks cool but I'll never make it in time to stop a crime that isn't happening within a block or two.

Wonderful and eloquent analysis of how you are going to be Batman.

Even though it totally kills the fantasy...