I had the same thought. Backing up a boat is already difficult enough; I would require mechanisms for making alignment easier else I’d have fits. Since parall

I had the same thought. Backing up a boat is already difficult enough; I would require mechanisms for making alignment easier else I’d have fits. Since parallax will affect the observed alignment, it doesn’t have to be prefect. Perhaps a few strategic markings on the driveway (behind the fence) and/or cameras on the trailer would be sufficient.