Where do you keep your Boat?

When I lived on a salt water island, I kept the boats (20-25') in the water. I had ablative paint on the bottom, and as long as I used the boat, fouling was minimal. Since I used them a LOT I did not need to keep them on chargers so electrolysis was mostly non existent, but I kept a "guppie" in the water anyway. In winter when usage was down a bit, I tried solar chargers when I knew zip about solar power and they failed me miserably. Nowadays with what I know about solar chargers I'd do things differently.

When living away from the water, I always stored my boats (16' and smaller)

I pay a dollar a day for storage inside a pole barn