I just beat Moon but heard there's little to no endgame content. I kinda wanna jump into a Nuzlocke. What's the best way to experience a new game while saving your own? I haven't hacked my 3DS.

Abandon the original save and just keep the pokemon in the bank(that I'm not currently paying for)?
Hack it and get a save backup?
Hack it and download Sun?
Don't do it because Nuzlockes are shit?