my personal thoughts about any "hidden" guns are....kids
When i was a kid my father had a WWII issue govt .45 "hidden" in a metal box with a 3 number tumbler lock. took my brother a few days to unlock that box after finding it hidden in the garage shelves.
Being the idiot that he and i were at the times. we decided to pull the lead from the bullets and get to the gun powder his idea by the way). By the way, God must look down on stupid people, cause neither of us were hurt.
When my father found out...he sold the gun (UGGGG what i would have given now to have that gun).
If i were in the need for a holdout (garage) gun, id probably look into one of those biometric gun safes that can release with a swipe of your fingers. at least thats better protection as they can be secured to a wall, hidden from view and safe.
I personally have a CCW, but rarely feel the need to carry where i live. I do when i have service calls to areas i dont feel comfortable with.
If things were to get worse here, i might see hiding a gun.
Now if i could only get a biometric safe large enough to hold my Saiga 12 streetsweaper.