You've been thinking about renovating your home for a while. Your windows are old and starting to warp and let the cold seep into your house. The paint on your door is flaking and, frankly, it's starting to warp too. It's definitely time to replace your windows and doors. When you went out a few days ago your cousin was talking about the home renovations he did himself, and you're considering it now too. You've read a handful of articles about do it yourself window and door installation, so all you need to do is buy the tools and get to it, right?