There are purely mechanical methods to make rekeying easy. https://www.kwikset.com/smartkey-security https://www.kwikset.com/smartkey-security Combine that wi

There are purely mechanical methods to make rekeying easy. https://www.kwikset.com/smartkey-security https://www.kwikset.com/smartkey-security Combine that with a protected keyway and you can have the tenant rekey themself.