First everyone in the SM was tasked with collecting all the rubbish they could find. Old rope, parchment, empty ink bottles, broken quills, all of it. Then Professor Snape and Slughorn started enchanting them for Nott Manor, the safe house they had decided on. Theo had opened it only to the Portkeys made, and was having his house elves, Twinky, Dilly, Bonka, and Dolly furnish the house with food, games, and books.