Have at least 2TB of storage. Run your own Bitcoin and Lightning nodes. Connect your wallets. Self-host your own nostr:npub1getal6ykt05fsz5nqu4uld09nfj3y3qxmv8crys4aeut53unfvlqr80nfm hub. Run your own Nostr relay. If you have a home miner, run Datum. You can do a lot if you really want to get into it.