Plus .5% of all future profits.

I haven’t had much experience with them, but they use the same tech as an old abloy lock that my mom has had on her front door for 40 years, in salty and humid South Florida. So that speaks to it’s longevity.

I’m a locksmith and the only lock with buttons I trust is a simplex. And that’s because it is entirely mechanical.

Second hand market doesn’t financially support them. You can have your cake and eat it too.