I was in the same boat as op: Didn't want to care about sync at all and use it on all my devices. Didn't want to rely on a third party. Vaultwarden solved that

I was in the same boat as op: Didn't want to care about sync at all and use it on all my devices. Didn't want to rely on a third party. Vaultwarden solved that for me. Like all services I self-host for personal use, it's only accessible via VPN.