A mid-sized dog is a wonderful alarm system, and a good anti-theft deterrent. A trained boat dog is a nice friend to have with you also. Many boats sailing out the marina near me have a dog or two aboard.
You just need to figure out a place for the dog to do it's business.
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Our most important survival tool is our brain, and for many, that tool is way underused! SBRaider
Head Cat Herder