"Dobby can't talk now. Dobby has work to do! Dobby is a free elf, and Dobby is working for the Great Harry Potter now. Dobby is proud to be keeping house for such a great wizard."
"Errr... Dobby is a free elf. And of course the Great Harry Potter pays him. The Great Harry Potter is... very generous to Dobby. Who else would give Dobby money?" The elf's wide-eyed stare somehow lacked his usual earnest sincerity. "Dobby must get back to work now. The Great Harry Potter has a guest coming over -- it's movie night, so it is!" The elf vanished.