Yes...they split the commission so the important thing to always understand is that neither is working in your interest to get you the best price or reveal everything there is to know about the boat.
Also...if you deal with the listing broker...he can compromise a bit to make the deal happen since he is making twice the commission he would otherwise make. You can tell EVERY broker about your needs and have them all interested in finding a boat for you. I can't see a buyers broker making sense unless you were geographically remote, had no time to look at a lot of boats or needed something very unique.
This is a USA centric post...since things may work quite a bit differently elsewhere!
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