And to present the third side. There are some of us who want items sold but do not want to do the selling ourselves. We have zero desire to be salespeople. In our businesses we have salespersons but we don't do the selling. In our personal lives we are not going to get involved in selling. We don't like it. Don't want any part of it.
To add to that lack of desire to be a salesperson, we also don't intend to be home where the boat is the majority of time so we'd be most inconvenient and unable to do the job.
It's no different than when we moved from NC to FL. We called a realtor we knew and listed our house in NC with her. She sold it immediately. Could we have done the same and made more money? No idea. But as we were in FL and as we have no desire to be in real estate, we gladly paid her for her services. We never met the buyers.
For us to try to sell items ourselves would be counterproductive. We wouldn't give it the time or attention, wouldn't be available, and definitely wouldn't enjoy it.
So how do we do it. We engage the best realtors or best brokers possible. We research, we build relationships. We then manage the person selling if necessary, keeping in touch, requiring regular updates, and, if they were to fail to perform, we'd make a change.