I don't know if anyone else has done this so sorry if this is old news. I have been hoarding my tarantulas like a maniac waiting for Flick to show up. I have about 150 saved up. I was running out of inventory space so I decided to store them outside on my island. I stuffed them EVERYWHERE. They were on the beach, up on the cliffs, crowding the front yards of villagers... it was obscene, haha! Well, apparently that is a legit way to get a five-star ranking, and the dialogue for that happening is hilarious. See screenshots below:
