Your Calendar = Your Friend
You can start planning ASAP if you use this old-school tool. Set reminders for everything from canceling magazine subscriptions to planning ways to use up food from your refrigerator. It will keep you from scrambling to get things done at the last minute and help you work more efficiently along the way.
All the tips to follow hinge on your master calendar, so consider it a "living document" and add to it (or cross off accomplished tasks) frequently.