In many areas Shuls have a bulletin board on which signs are hung. In some larger cities there are sign hanging companies that for a fee, go around and hang up posters for businesses on these bulletin ...
Many shuls have the practice of selling kibbudim (i.e. aliyot, hafotrah, opening the aron, etc.) on major holidays, usually via auction. I've been to some shuls where this is done every shabbat. A ...