You can. If a villager is in boxes because their moving out of town in another person's town if you keep talking to them they can say "I don't know where to go" and if you don't have 10 villagers already in your town you can ask them to move in your town and they will a couple days later they should show up.

If you want I can give you free bells I have way too much. (If you want just say a price and I'll respond back)

What u finna buy fam? iv got alot of random furniture and bells

you can buy characters? how does that work