About thirty years ago when I found myself in sudden need of a defensive gun, I had to drive to the next county, which did not have a three day waiting period. So, yes, it will help the border people, unless the laws there don’t include a three day wait, or if they’ll accept your out of state carry license in lieu of the wait.
(I always wondered if anybody had been saved by the three day wait. But what the wait didn’t take into account was people who suddenly found themselves in a lawsuit with a desperate criminal.)
Careful there, pardner. Face to face sales outside of your home state are verboten by Federal law. Only purchases of long guns out of state from an FFL are legal, and only if your home state allows it.
Likewise, your home state may still regulate or forbid out of state handgun purchases. We shall see how this shakes out in the long run.