Question
Is auctioning off Aliyot on Shabbat Muktzeh as it’s Melachah?
Answer
The Misnah Brura 147 8 comments that it is a custom to auction the Mitzvot on Shabbat and that is the practice in many shules. There is a comment in additions to Maase Rav 34 that the GR"A didn’t approve of that nevertheless the practice in many places is different.
