key duplicate

So the time has come. My wife (or probably really me) lost my key so I have been using the spare....until today when we forgot it was in her purse and she went out of town for the morning leaving me unable to go to work. I say all of this to say that it is time to purchase a replacement key. If...

Has anybody made a "not smart" "regular" center cut key for gas caps, keyed alike BOLT locks, etc? I know the Sentry "Smart" Key has a switchblade key part that comes out, but I was wondering if you could just get that small "blade" part duplicated of the key for opening your other locks, not...