Is there any other way to get Nook Miles?

Excuse me, I'm curious, could you please elaborate on alternative methods for accumulating Nook Miles? I've been exploring various avenues to accumulate them, but I'm wondering if there are any lesser-known or underutilized strategies that I might have overlooked. It would be immensely helpful if you could share some insights or tips that could potentially expedite the process of earning these Miles. Thank you in advance for your guidance and assistance.