Let me start this post by saying, I am NOT a technical support person. Really, I recommend calling a professional for most issues, like accidentally deleting your files (or freeing up space). (Here's how to find a certified Apple Consultant.)
Even as a professional organizer, I still walk across the living room floor and step on Legos or a plastic dinosaur. I look forward to the day - in about 10 years maybe - when I’ll be able to cross the floor without the landmines.