good idea, i need to do this.

I use Tello. $10/month. a little steep but feeds worth it those days. there are also the privacy SIM things that I haven't tried yet

i have this tiny thumb-sized phone that i could use for that but nobody ever calls me anyway haha... no point in paying for a second sim when i can just not take it with me. it will be a happy day when insecure sms based auth dies altogether, i tend to try and avoid it, even TOTP is more secure maybe some day the normies will finally learn that proprietary software can be hacked, and that's the secret reason they make it secret.

hopefully. what's the tiny phone? sounds cool. also I didn't realize who you were until I saw the end of your pubkey. that's such a great trick - I wish I had done that. too late now