 Is any of it like a tough job, or can anybody tackle this project? No, it's actually pretty easy to do this level of plumbing. I mean, if you can turn the water supply off to the toilet, you're totally good to go. And Fluidmaster is actually really good with education. They have great videos that walk you through pretty much every step of the process, so you really can't go wrong. You can check it out. Their website is fluidmaster.com.