Some have exclusivity agreements that require that, but they're pretty unpopular (because it's also intimidating for a buyer to sign). What I described is a non

Some have exclusivity agreements that require that, but they're pretty unpopular (because it's also intimidating for a buyer to sign). What I described is a non-exclusive showing agreements, where they only get compensation if they helped in showing the house or completing the transaction (like drafting the contracts).