My Demon butler will not have anything to do with dragon bones. You will need to make the bank runs for bones, and I think your set-up is well suited for this. You can either use portals or glory (I glory to Draynor and tele back to house) and try to have a friend at my house keeping the burners lit for me, saves a lot of time. I am considering removing my parlor and replacing it with a more useful or fun room as I have maxed out the 20 room limit. I like your layout and would suggest 4B for your Study. Good luck :)