Sure, but a real estate agent who has a "seller" client has a pretty easy time finding "buyer" clients -- run an open house on a property you're selling and pro

Sure, but a real estate agent who has a "seller" client has a pretty easy time finding "buyer" clients -- run an open house on a property you're selling and prospective buyers (specifically the ones that decide they don't want to buy the property being shown) come to you without even knowing that you exist.