Some people do exclusively rent guns and never take them out of the firing range. If this is your only intended use, that's probably the best strategy. However,

Some people do exclusively rent guns and never take them out of the firing range. If this is your only intended use, that's probably the best strategy. However, like others have suggested, an additional reason to own a gun is self-defense; a gun stored at the firing range is completely ineffective in this regard.