Indoor plumbing as something that has been around for quite some time. In fact, indoor plumbing goes all the way back to the Roman Empire from 2,500BC and maybe further. You name the possible problems that come with plumbing, humankind has seen them all. As long as there has been plumbing, there, presumably, has been a plumber. And as long as there has been a plumber, there has also, presumably, been water bills that need to get paid. Because of this, people who have saved the most on their water bills have been the ones who understand the need for…