"Definitely." Gaius smiled, then took a sip of his tea as he thought. "Perhaps we should have the auction at the Leaky, since Sirius performed there; I'll ask Tom. And as for the location of the facility, maybe here in Hogsmeade, on the outskirts? If Hagrid agrees to work there, that would make it more convenient for him, and perhaps Hogwarts might want to arrange trips for the students there."