Jeckel wrote:Well if I kept a copy of the key, then I should be fine. The security on this lock has ANSI Grade-1 strength steal dead bolt, and bump resistant, I think that all locks have flaws when it comes to destructive entry, my tenants have a withholding to damages such as changing the lock themselves. I was checking the insurance on the building regarding locks, if there is any signs of forced entry they will be covered.
Perhaps I'm not understanding you correctly, but I don't know where you're getting the impression that holding on to a copy of the original key will help you if the tenant takes it upon himself to rekey the lock. The original key that comes with the lock isn't any sort of master key; once someone rekeys the lock, only the new key plus the "learn tool" can be used to recombinate the cylinder again. Smartkey makes it easier for you to rekey cylinders, but the same is true for your tenants... it's something to consider, if nothing else.
Short of that, the Smartkey cylinder itself is a pretty delicate design compared to ordinary pin-tumbler cylinders, so it's probably a bad choice for outdoor locations or any location that is going to see a lot of abuse. These locks are considerably more prone to breakage outside of their normal "operating envelope", so to speak. The convenience of rekeyable cylinders might be completely moot if you have 2-3 times as many locks that fail over a given time period. Don't take that 2-3x figure as gospel, it's just an example of the kinds of tradeoffs you might expect with a more delicate lock system. These are just more considerations that you should make before deciding on a system, but judging from your comments you seem to be pretty gung-ho on going with Smartkey. Anyway I hope some of that info proves useful for you.