Why is nostr:npub1ex7mdykw786qxvmtuls208uyxmn0hse95rfwsarvfde5yg6wy7jq6qvyt9 charging me this goddamn much for Bitcoin? Compared to Robinhood?

Discussion
Even nostr:npub1cashappn03s3cl2ljsdntv0v28e2um5lgx4vjctqjt23pcwzjhsqmtdg5l is a few hundred dollars cheaper. 