Never act like you want it, darlin'. Act like you wouldn't own it if they paid you. Tell them it's dirty, broken...a useless thing. Then make an offer.
And, conversely, she went on to herself, sneering at the Grand Duke's palace, poverty is wasted on the poor, who never know how to make the best of things, are only the rich without money, are just as useless at looking after themselves, can't handle their cash just like the rich can't, always squandering it on bright, pretty, useless things in just the same way.