I aim for 5.25 to 5.5 gallons at the end of the boil and never add water to the cleaning tank. I top off wines and meads in the secondary, but never beer.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk