You don't have to be planning a huge family event to utilize categorizing effectively with your to-do list. Try it out next time you clean your house. Divide list by room and list tasks to be done. Or perhaps choose tasks to be done as your categories (Vacuuming, Dusting, Mopping) and list the rooms where those tasks should be done under the category. Or try it at work by listing tasks like "Phone Calls to Return" or "Bills to Pay". Try a couple of different methods to find what works best with your style.
In July I will be focusing on To-Do List Tips here at Simple Solutions. Check back for more ideas on how to be productive without feeling overwhelmed.