For many TOTP may be a good option; but my experience with TOTP has been less than subpar.

Initially I did use TOTP like you’re supposed to; but after my last phone died I had to set up TOTP on the accounts that used it *after* getting into them without it using backup codes.
This lead me to put the TOTP stuff inside my KeePass vault (as KeePassXC supports TOTP) which is backed up (unlike most TOTP solutions I’ve used).
The problem now is that my 2FA keys are stored in the same location as my passwords… (not that I’m worried about someone breaking the vault; but this is *not* how 2FA is supposed to work).

Additionally I have some other issues with TOTP that make it far from ideal for me and hardware keys seem to be a good fit to solve my issues with TOTP.