aff on Nostr: That's the whole point of Nerd Miner or other projects like that, you can build them ...

That's the whole point of Nerd Miner or other projects like that, you can build them from scratch and they consume the same electricity as a laptop or something. You'll never manage to mine a block but neither will you ever win the lottery, and at least in the first option you've learnt some useful skills.