I believe that GP was referring to buyer's brokers. In their case, if the client pays more, their commission grows. Furthermore, if they can close quickly, by m

I believe that GP was referring to buyer's brokers. In their case, if the client pays more, their commission grows. Furthermore, if they can close quickly, by making a higher offer or purchasing something that isn't quite the right deal, the buyer's agent increases volume, leading to the same effect.