that's lot of new info for me. let me research about all of them one by one. thanks for the links tho.
Have you looked nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl for a hardware wallet?
Have you heard of #bisq?
You can use an exchange if you want to by btc. Just move it off the exchange immediately.
Discussion
Yes it is a lot. Take your time. You’re welcome