I typically toggle between nostr:npub1ex7mdykw786qxvmtuls208uyxmn0hse95rfwsarvfde5yg6wy7jq6qvyt9 , Fold, and nostr:npub1cashappn03s3cl2ljsdntv0v28e2um5lgx4vjctqjt23pcwzjhsqmtdg5l - Strike is cheapest every time, even with their new “tiered” setup, with Fold as a close second (you win, nostr:npub1cn4t4cd78nm900qc2hhqte5aa8c9njm6qkfzw95tszufwcwtcnsq7g3vle) 🤙
Big exchanges like kraken and Coinbase are pretty much always more expensive. Maybe not Coinbase pro, idk.
nostr:npub1r8l06leee9kjlam0slmky7h8j9zme9ca32erypgqtyu6t2gnhshs3jx5dk has a sponsor called Bold if you’re in the US; they had a decent signup bonus and I think they’re doing some deal like first $10K buys are free, similar deal with nostr:npub1xkere5pd94672h8w8r77uf4ustcazhfujkqgqzcykrdzakm4zl4qeud0en
Much better option: nostr:npub1gdfr0r0an32jalqryqlvpn3gsef2hu832wv6kp5p2gt2aqa2n8yqd42ffw for noKYC sats, if using USD you can usually find premiums around 2%.
Hope this helps!