A great bank vaults can safeguard your guns from burglars and undesirable people, and probably, the expense of purchasing the safe will be much less as compared to the cost of replacement, in case your guns are stolen.
Gun safes of the finest quality are normally made out of strong steel. There are some cons about thick steel as well- drilling a safe made out of thick steel to the ground, or the wall is much more hard as compared to lower quality safes, since of the quality of the steel.
You can acquire gun safes from any shop that sells guns. You read more might get an excellent deal if you purchase the safe from a wholesaler directly, and even if you have to bear the shipping expenses, it will be much more affordable than the full/original price of the gun safe at a retail outlet.