"Right!" Yes, paying for these would be a good idea- "So....which store next, then..? ...There was one with animals, and one with lots of weapons and armor...." She pauses, thinking.

"There was also a lady who had lots of different metals. She helped me make a floating bone for Papyrus..!" It was, naturally, made of metal.

But yes-they have other places to see, and buy from! And maybe if Reira herself is lucky she can spot something she wants for her own friends too.