Originally Posted by
chamade
I believe at a ryokan you leave a tip in an envelope for the maid at the end of your stay, not the beginning.
From what I read, the custom was/is to give the Nakai-san an envelope containing a tip after she brings the guests to their room and prepares tea - i.e. at the beginning of the stay.
In any case, it appears not to be common practice AFAICT.