So, I tried to replace my water heater on my own. Unless you are actually know what you are doing, this is an awful idea. I called Sin City Plumbing, since I had seen them around my neighborhood. They sent Phil, who showed up and showed me everything I did wrong (including buying the wrong water heater, which is embarrassing). Not only did he do a clean and great job, he had to clean up the wet mess that I had made trying to fix it myself. So yeah, it is a good idea to call Sin City Plumbing when you don't know what you're doing, like me.