I see nothing wrong with anyone, rich or not, selling their unwanted items in anyway they wish.
I sell on Ebay, does that make me unclassy?
No. It makes me frugal to recycle those things I don't want any longer into things I do want.
She has the right to do so whether she donates to a cause or not. It is very nice of her to give some proceeds to the charity even if it is only a marketing ploy. Who cares. No one makes the bidders bid.
More power to her for cleaning out her closet. Now that is an accomplishment!
