Dang I do not know If i like this math.

I want to say I had an avg pump price of $4.09/gal X 5.2 gal/h X ~75 = $ $1595.10

Now with truck gas and camping lets just put that at another 1k so $2600 for that and no boat payment to add in but storage so lets just jump to 3K

Now the amount of fun I had this summer on the boat with friends is about 15K so I am net gain of 12K. Shoot that is a nice little savings to put to a new boat or a lake house.