Nicole Anzia, professional organizer and founder of Neatnik, joined staff writer Jura Koncius for The Washington Post’s Home Front online chat. Here is an edited excerpt. Q: What are the main reasons that resolutions to get organized are derailed?A: Trying to do it all in January and then stopping. People work really hard at decluttering and purging at the beginning of the year and then think they’re done. But organizing isn’t really something you’re ever done with. As long as things are coming into and leaving your home, it’s a continual process. Do a little bit here and there, but...