Hammer through the window

I can't remember who taught me the phrase, "Hammer through the window," but I love it! Whenever I am in a place where I'm afraid to start a project, because I don't really know how to do it, but I also don't have the money to pay anyone else to do it, I just mentally put the hammer through the window and get started. What is the worse thing that could happen? I've been looking around our house a lot lately and have been wanting to hammer some projects out. No more waiting, I just want to improve what I can! I'm feeling excited!