At the expense of convenience - I often need to access accounts on devices where I don't have access to my emails (e.g. if I'm using a semi-trusted PC [family d

At the expense of convenience - I often need to access accounts on devices where I don't have access to my emails (e.g. if I'm using a semi-trusted PC [family devices etc.], I might login to Amazon, because anything there can be undone, but I wouldn't login to an email account [and if I haven't memorised my email password because it's in a password manager, I might not even be able to]).