I keep mine in a self hosted Nextcloud instance, DAV sync is built into the app

I like calling this the ‘continuity’ answer, and it’s my thinking as well

Well that’s easy to remember!

Conflicts haven’t been an issue for years, all modern iterations of KeePass (XC, kp2a, DX) support automatically merging in the latest before saving.

I’ve been using it for years this way across several devices, it’s incredibly solid

Store your database in a nextcloud instance and it’s that too

There are some apartment buildings with shared Internet connections that are just open and public; It’s crappy but cheap if someone can’t afford individual connection

F-keys!